Unveiling the Sun: NASA's Punch Mission, ISS Woes, and Mars Mysteries

0:00 Speaker 1: Hello, and welcome to Astronomy Daily, your go to source

0:03 Speaker 1: for the latest developments in space and astronomy news. I'm

0:06 Speaker 1: Anna and I'm thrilled to have you join me for

0:08 Speaker 1: today's Journey through the Cosmos. We've got a packed episode

0:12 Speaker 1: for you today, covering some of the most exciting recent

0:14 Speaker 1: stories from across the space sector. First up, we'll explore

0:18 Speaker 1: NASA's Punch mission, which has just captured its first images

0:22 Speaker 1: of the Sun's outer atmosphere. These groundbreaking images are giving

0:26 Speaker 1: us new insights into how solar material flows through our

0:29 Speaker 1: solar system. Then we'll dive into some concerning news about

0:33 Speaker 1: the International Space Station. NASA's Safety Panel has issued warnings

0:38 Speaker 1: about increasing risks to the aging outpost as it approaches

0:41 Speaker 1: its projected retirement date. We'll break down what these risks

0:44 Speaker 1: are and what they mean for the future of the ISS. Next,

0:48 Speaker 1: we'll travel to Mars, where the Curiosity Rover may have

0:52 Speaker 1: just solved a long standing mystery about missing carbonates on

0:54 Speaker 1: the red planet. This discovery could reshape our understanding of

0:58 Speaker 1: Mars's early atmosphere history. We'll also look at fascinating research

1:03 Speaker 1: suggesting we're entering a period of more intense solar activity.

1:07 Speaker 1: Scientists believe a hidden solar cycle is awakening, which could

1:10 Speaker 1: lead to more extreme space weather over the next several decades. Surprisingly,

1:15 Speaker 1: this might not be entirely bad news. Finally, we'll hear

1:18 Speaker 1: the remarkable story of how Chinese scientists rescued a pair

1:22 Speaker 1: of lunar satellites that were stranded in the wrong orbit.

1:25 Speaker 1: This complex rescue operation involved overcoming numerous challenges and executing

1:31 Speaker 1: a series of precise maneuvers to salvage the mission. So

1:35 Speaker 1: strap in for a cosmic journey through these fascinating developments

1:38 Speaker 1: that are expanding our understanding of the universe around us.

1:42 Speaker 1: In an exciting development for solar science, NASA's PUNCH mission

1:45 Speaker 1: has achieved a significant milestone by capturing its first images

1:50 Speaker 1: of the Sun's outer atmosphere. PUNCH, which stands for Polarimeter

1:54 Speaker 1: to Unify the Corona and Heliosphere, successfully completed its spacecraft

1:59 Speaker 1: commissioning fase just this week, with the mission's instruments now

2:03 Speaker 1: beginning to reveal new details about how the solar atmosphere

2:06 Speaker 1: unfolds and streams through our solar system. On April fourteenth,

2:11 Speaker 1: the mission's Narrow Field Imager and one of its three

2:14 Speaker 1: wide field imagers open their instrument doors and captured what

2:18 Speaker 1: scientists call first light, the initial images marking the beginning

2:23 Speaker 1: of the mission's scientific observations. The remaining wide field imagers

2:27 Speaker 1: followed suit two days later, opening their doors and starting

2:30 Speaker 1: to capture data as well. These early images are quite fascinating.

2:35 Speaker 1: The narrow field imager has captured starfields with the Sun

2:38 Speaker 1: near the center of the image, while the wide field

2:41 Speaker 1: imagers have provided expansive views of the surrounding space. Scientists

2:46 Speaker 1: are now working to calibrate these observations to better reveal

2:49 Speaker 1: the subtle details of the Sun's corona and the solar wind.

2:54 Speaker 1: What makes Punch truly revolutionary is its constellation approach. The

2:58 Speaker 1: mission consists of four fo or small satellites working together,

3:02 Speaker 1: one equipped with the narrow field imager and three carrying

3:06 Speaker 1: wide field imagers. Once these satellites reach their targeted alignment,

3:11 Speaker 1: their images will be stitched together to create a comprehensive

3:14 Speaker 1: view of the journey of the Sun's corona and solar

3:17 Speaker 1: wind all the way to Earth. The narrow field imager

3:21 Speaker 1: functions as a coronagraph, blocking out the Sun's bright light

3:24 Speaker 1: to better observe details in the corona. Meanwhile, the wide

3:28 Speaker 1: field imagers focus on the faint outermost portion of the

3:31 Speaker 1: solar corona and the solar wind itself. This combination allows

3:36 Speaker 1: PUNCH to track solar material from its origin at the

3:38 Speaker 1: Sun through interplanetary space. During the calibration process, scientists will

3:44 Speaker 1: be removing about ninety nine percent of the light from

3:46 Speaker 1: the corona, enabling them to track the faint threads of

3:50 Speaker 1: solar material as they flow outward through space. Similarly, they'll

3:56 Speaker 1: remove star fields and background light from the wide field

3:59 Speaker 1: imager data to highlight the subtle flow of the solar

4:02 Speaker 1: wind toward Earth. PUNCH will provide something we've never had before,

4:07 Speaker 1: global three dimensional observations of the inner Solar system and

4:11 Speaker 1: the Sun's outer atmosphere. The mission aims to answer fundamental

4:15 Speaker 1: questions about how the Sun's mass and energy become the

4:18 Speaker 1: solar wind, that continuous stream of charged particles blowing outward

4:22 Speaker 1: from the Sun in all directions. Perhaps most significantly, PUNCH

4:27 Speaker 1: will be the first mission to provide imagery of the

4:29 Speaker 1: solar wind and coronal mass ejections in polarized light. This

4:33 Speaker 1: capability will give scientists new information about solar activity, particularly

4:38 Speaker 1: about the formation and evolution of space weather events that

4:41 Speaker 1: can create storms of energetic particle radiation, potentially endangering spacecraft

4:46 Speaker 1: and astronauts. The mission is being led by Southwest Research Institute,

4:50 Speaker 1: which operates the four spacecraft from its facilities in Boulder, Colorado,

4:55 Speaker 1: with management from NASA's Explorer's Program Office at Goddard Space

4:59 Speaker 1: Flight Center. As the commissioning phase continues, we can look

5:03 Speaker 1: forward to increasingly detailed views of our dynamic sun and

5:06 Speaker 1: its influence on the space environment around Earth. Next up today,

5:10 Speaker 1: some rather concerning news. NASA's Aerospace Safety Advisory Panel has

5:15 Speaker 1: issued a stark warning about the International Space Station, describing

5:18 Speaker 1: it as having entered the riskiest period of its existence.

5:22 Speaker 1: During a recent public meeting, panel member Rich Williams expressed

5:25 Speaker 1: serious concerns about increasing risks to the aging orbital Laboratory

5:29 Speaker 1: as it approaches its planned retirement in twenty thirty. One

5:33 Speaker 1: of the panel's highest concerns involves ongoing leaks in a

5:36 Speaker 1: vestibule of the Russians Vezda module known as PRK. For

5:41 Speaker 1: several years now, Russian and American experts have been investigating

5:44 Speaker 1: small cracks in this area, with no resolution on their

5:47 Speaker 1: cause or how to best address them. Officials from NASA

5:51 Speaker 1: and Roscosmos are scheduled to meet in Moscow later this

5:54 Speaker 1: month to update efforts to mitigate risks from these cracks.

5:59 Speaker 1: In the meantime, iOS managers have implemented procedures such as

6:03 Speaker 1: limiting repressurization of the vestibule, which connects a docking port

6:06 Speaker 1: to the rest of the station. The panel has also

6:09 Speaker 1: highlighted concerns about deorbit plans for the ISS, particularly in

6:13 Speaker 1: case of an emergency before the arrival of the USD

6:16 Speaker 1: orbit vehicle being built by SpaceX. According to Williams, if

6:20 Speaker 1: the station needs to be de orbited before this vehicle

6:23 Speaker 1: is delivered, the risk to the public from ISS breakup

6:26 Speaker 1: debris will increase by orders of magnitude. This is a

6:30 Speaker 1: sobering assessment of what could happen without proper deorbit capabilities.

6:35 Speaker 1: Adding to these worries are mounting issues with maintaining sufficient

6:38 Speaker 1: spare parts for life support systems and delays with cargo

6:41 Speaker 1: resupply vehicles. Sierra Space's Dreamchaser vehicle has been delayed until

6:46 Speaker 1: at least late summer, and Northrop Grumman had to scrap

6:49 Speaker 1: its planned NGNG twenty two SIGNUS mission to the ISS

6:52 Speaker 1: due to damage the spacecraft sustained during shipping. Perhaps most concerning,

6:57 Speaker 1: the panel has pointed to what it describes as a

6:59 Speaker 1: large ISS budget shortfall underlying all these issues. Williams stated

7:05 Speaker 1: that all of these risks are actually a derivative of

7:08 Speaker 1: this budget shortfall and collectively contribute to potential compromise of

7:13 Speaker 1: the Low Earth orbit transition plan. Though NASA allocated nearly

7:17 Speaker 1: one billion dollars to ISS operations and maintenance in its

7:20 Speaker 1: fiscal year twenty twenty four operating plan, with an additional

7:24 Speaker 1: one point six three billion dollars for crew and cargo transportation,

7:28 Speaker 1: the panel warns that these resources may be insufficient. In

7:31 Speaker 1: its twenty twenty four annual report, the Panel expressed grave

7:35 Speaker 1: concerns that if the necessary funds for the deorbit vehicle

7:39 Speaker 1: and supporting launch infrastructure, estimated at over one billion dollars,

7:44 Speaker 1: comes solely from the existing ISS budget, this will unduly

7:47 Speaker 1: strain NASA's ability to safely perform normal and contingency ISS

7:52 Speaker 1: on orbit operations. Williams emphasized that as programs near their

7:56 Speaker 1: final phases, there's a temptation to assume fewer reseas sources

8:00 Speaker 1: will be needed. However, he stressed that for the ISS,

8:04 Speaker 1: it is critical to maintain adequate budget and resources until

8:07 Speaker 1: the vehicle is safely re entered. The panel concluded by

8:11 Speaker 1: acknowledging the demonstrated operational excellence of the ISS program, while

8:16 Speaker 1: remaining deeply concerned about the increasing and cascading risk attending

8:20 Speaker 1: the program over the next several years. With the station

8:24 Speaker 1: set to remain operational until twenty thirty, managing these growing

8:28 Speaker 1: risks while maintaining safety standards will be a significant challenge

8:32 Speaker 1: for NASA and its international partners. Let's head over to

8:36 Speaker 1: Mars now for an update. Scientists may have finally solved

8:39 Speaker 1: one of the most enduring mysteries about Mars, thanks to

8:42 Speaker 1: NASA's trusty Curiosity rover. For decades, researchers have been puzzled

8:47 Speaker 1: by the apparent lack of carbonate minerals on the Martian surface,

8:50 Speaker 1: which doesn't align with theories about the planet's early atmosphere.

8:54 Speaker 1: According to our understanding, Mars once had a much thicker

8:58 Speaker 1: carbon dioxide atmosphere that could have supported liquid water on

9:02 Speaker 1: its surface. If that were true, the interaction between this

9:06 Speaker 1: CO two rich atmosphere and surface water should have created

9:10 Speaker 1: substantial carbonate deposits, Yet these expected carbonates have been largely

9:15 Speaker 1: absent in observations from orbit. That's where curiosity comes in.

9:21 Speaker 1: The rover has been drilling deep beneath the Martian surface,

9:24 Speaker 1: going down one point two to one point six inches

9:28 Speaker 1: into the rock. These samples are then dropped into its

9:31 Speaker 1: chemical and mineralogy instrument known as chimin, which uses X

9:35 Speaker 1: ray diffraction to analyze the mineral composition of the rocks.

9:40 Speaker 1: Thomas Bristow, a research scientist at NASA AIMS and co

9:43 Speaker 1: author of the new study, explains the significance drilling through

9:48 Speaker 1: the layered Martian surface is like going through a history book.

9:51 Speaker 1: Just a few centimeters down gives us a good idea

9:53 Speaker 1: of the minerals that formed at or close to the

9:56 Speaker 1: surface around three point five billion years ago. The men

10:00 Speaker 1: discovered was surprising. Carbonate minerals were indeed present in the

10:04 Speaker 1: subsurface rocks, but they were effectively masked by other minerals,

10:08 Speaker 1: particularly sulfates, making them difficult to detect using satellite based

10:13 Speaker 1: near infrared analysis. This could explain why orbital observations have

10:17 Speaker 1: failed to identify widespread carbonates despite theoretical predictions that they

10:22 Speaker 1: should exist. This finding has important implications for our understanding

10:26 Speaker 1: of Mars's atmospheric history. The discovery suggests that carbonate deposits

10:31 Speaker 1: may be more common than previously thought, but they're hidden

10:34 Speaker 1: beneath the surface or masked by other minerals. However, even

10:38 Speaker 1: with these newly discovered carbonates, scientists believe the amount would

10:42 Speaker 1: still be only a fraction of what would be needed

10:45 Speaker 1: to account for the thick ancient atmosphere that Mars is

10:48 Speaker 1: believed to have had. So where did the rest of

10:50 Speaker 1: mars carbon dioxide go? Some portion might be stored in other,

10:54 Speaker 1: yet undiscovered deposits, but a significant amount was likely lost

10:58 Speaker 1: to space over billions of years as mars protective magnetic

11:01 Speaker 1: field weakened and eventually disappeared. Future missions and analyzes focusing

11:07 Speaker 1: on other sulfate rich regions across Mars could confirm these

11:11 Speaker 1: findings and help fill in more pieces of the puzzle

11:14 Speaker 1: regarding how the red planet transformed from a potentially habitable

11:17 Speaker 1: world with a thick atmosphere and liquid water to the cold,

11:21 Speaker 1: dry planet we observe today. The Curiosity rover, part of

11:24 Speaker 1: NASA's Mars Exploration program, continues its scientific mission after landing

11:28 Speaker 1: on Mars in twenty twelve. Built by NASA's Jet Propulsion

11:32 Speaker 1: Laboratory and managed by Caltech in Pasadena, California, this resilient

11:36 Speaker 1: explorer keeps providing valuable insights about Mars's history and evolution,

11:41 Speaker 1: even after more than a decade of operation on the

11:43 Speaker 1: red planet's surface. Next on the agenda today, it's back

11:48 Speaker 1: to the Sun. When we think about the Sun's activity,

11:52 Speaker 1: we typically picture the familiar eleven year solar cycle, with

11:57 Speaker 1: its predictable peaks and valleys of sunspot activity, solar flares,

12:01 Speaker 1: and coronal mass ejections. But fascinating new research from the

12:05 Speaker 1: National Center for Atmospheric Research in Boulder, Colorado, suggests there's

12:10 Speaker 1: a much longer cycle at play, one that could dramatically

12:13 Speaker 1: impact our space weather over the coming decades. Scientists have

12:17 Speaker 1: been reviewing satellite data measuring the density of energetic particles

12:21 Speaker 1: around Earth, primarily charged protons from the Sun trapped in

12:25 Speaker 1: Earth's magnetic field in regions known as the Van Allen

12:28 Speaker 1: radiation belts. What they've discovered is evidence of the Gleisberg cycle,

12:33 Speaker 1: a little known phenomenon first identified by German astronomer Wolfgang

12:36 Speaker 1: Gleisberg back in nineteen fifty eight. This cycle operates over

12:41 Speaker 1: approximately one hundred years, causing the intensity of individual solar

12:45 Speaker 1: cycles to ebb and flow in a predictable pattern. According

12:49 Speaker 1: to Calvin Adam, lead author of the new study, usually

12:53 Speaker 1: over four solar cycles, the intensity of solar activity will increase,

12:57 Speaker 1: then it will reach its peak, and then it will

12:59 Speaker 1: go down over another four solar cycles. The satellite measurements

13:03 Speaker 1: suggest we've just hit the lowest point of this century

13:06 Speaker 1: long cycle, meaning the next four solar cycles could bring

13:09 Speaker 1: significantly more intense solar activity than we've experienced in recent decades.

13:14 Speaker 1: This has important implications for our technology dependent world. More

13:19 Speaker 1: active solar cycles mean the Sun's magnetic field becomes more tangled,

13:22 Speaker 1: producing more sunspots and subsequent solar flares and coronal mass ejections.

13:27 Speaker 1: These events can wreak havoc on our satellites, power grids,

13:31 Speaker 1: and communication systems. However, there's an intriguing twist to this story.

13:36 Speaker 1: While more solar storms are expected, the overall density of

13:39 Speaker 1: high energy protons surrounding Earth may actually decrease. This seemingly

13:44 Speaker 1: counterintuitive relationship occurs because increased solar activity heats and expands

13:49 Speaker 1: Earth's atmosphere. If you get more solar activity, you'll get

13:52 Speaker 1: more heat and more energy into our atmosphere, explains atom.

13:56 Speaker 1: If our atmosphere is getting more heat and energy, it

13:58 Speaker 1: will expand. As the atmosphere expands, the protons will run

14:02 Speaker 1: into that expanded atmosphere and eventually drop out. This could

14:06 Speaker 1: be good news for satellites and astronauts in Earth orbit.

14:09 Speaker 1: With lower radiation levels in the space environment between solar storms,

14:13 Speaker 1: electronic systems on satellites may experience less long term degradation.

14:18 Speaker 1: Astronauts on the International Space Station might also be exposed

14:21 Speaker 1: to lower cumulative radiation doses, potentially reducing health risks associated

14:26 Speaker 1: with extended stays in space. Unfortunately, this doesn't mean all

14:30 Speaker 1: as well. While the baseline radiation environment may improve, will

14:35 Speaker 1: likely see more frequent and potentially more devastating solar storms.

14:39 Speaker 1: These events can cause rapid atmospheric heating, increasing drag on

14:43 Speaker 1: satellites in low Earth orbit and forcing them to use

14:46 Speaker 1: precious fuel to maintain their altitude. A powerful solar storm

14:50 Speaker 1: last may demonstrated this risk, causing what researchers called a

14:54 Speaker 1: mass migration of satellites as thousands of spacecraft lost altitudes simultaneously.

15:00 Speaker 1: During such chaotic periods, the risk of orbital collisions increases

15:03 Speaker 1: dramatically as operators struggle to calculate and adjust orbits with

15:06 Speaker 1: their usual precision. The worry that we are going toward

15:10 Speaker 1: more solar activity is definitely there, notes Adam. We have

15:13 Speaker 1: built an enormous amount of technology, including satellites and power

15:17 Speaker 1: grids since the last Gleisberg maximum, but it's not all bad.

15:22 Speaker 1: Our paper suggests that the baseline environment when space weather

15:26 Speaker 1: is quiet, should in fact be somewhat safer for our

15:30 Speaker 1: increasingly space dependent civilization. This research provides both a warning

15:34 Speaker 1: and valuable preparation time. Understanding these long term solar patterns

15:39 Speaker 1: allows satellite operators, power companies, and space agencies to develop

15:43 Speaker 1: more robust systems and contingency plans for the more active

15:46 Speaker 1: solar weather that may lie ahead. Finally, today, in a

15:51 Speaker 1: remarkable display of space mission recovery, Chinese scientists have recently

15:55 Speaker 1: shared details of their extraordinary four month effort to rescue

15:59 Speaker 1: a pair of lunar satellites that were left stranded in

16:02 Speaker 1: the wrong orbit. The DROA and dro B spacecraft weighing

16:06 Speaker 1: a combined five hundred and eighty one kilograms launched from

16:10 Speaker 1: China's Shechi Chong spaceport on March thirteenth last year. Their

16:14 Speaker 1: mission was to enter distant retrograde orbit around the Moon

16:17 Speaker 1: and connect with the previously launched DROL satellite in low

16:21 Speaker 1: Earth orbit, demonstrating inner satellite communication capabilities and proving the

16:26 Speaker 1: usefulness of distant retrograde orbits. But the mission quickly encountered

16:30 Speaker 1: serious trouble when an anomaly with the Yungjing ons upper

16:34 Speaker 1: stage left the satellites in a highly elliptical Earth orbit

16:38 Speaker 1: instead of their planned trajectory toward the Moon. Making matters worse,

16:42 Speaker 1: the joined satellites were spinning at a dangerous rate of

16:45 Speaker 1: once every one point eight seconds, threatening both their structural

16:49 Speaker 1: integrity and their ability to operate essential systems. The rescue

16:54 Speaker 1: team first had to tackle this rapid rotation using drob's

16:57 Speaker 1: attitude control engines. They managed to eliminate the spin over

17:01 Speaker 1: a twenty minute period, but telemetry data then revealed another

17:05 Speaker 1: serious problem. Both satellites had sustained damage to their solar arrays,

17:09 Speaker 1: their crucial power source. Working against the clock. Researchers from

17:14 Speaker 1: the Innovation Academy for Microsatellites and Technology and Engineering Center

17:18 Speaker 1: for Space Utilization formulated an intricate rescue plan within just

17:22 Speaker 1: forty hours. The team faced numerous challenges, including the complex

17:27 Speaker 1: orbital dynamics involving Earth, Moon, and Sun gravitational forces, extremely

17:32 Speaker 1: limited fuel reserves, and a rapidly closing window of opportunity.

17:36 Speaker 1: The first critical engine burn occurred on March eighteenth, lasting

17:40 Speaker 1: an impressive one thousand, two hundred seconds and successfully raising

17:44 Speaker 1: the satellite's apogee their farthest point from Earth, from one

17:48 Speaker 1: hundred thirty four thousand to two hundred forty thousand kilometers.

17:52 Speaker 1: Over the next four months, the spacecraft executed four more

17:56 Speaker 1: orbital maneuvers, utilized gravity assists, and made additional trajectory corrections.

18:03 Speaker 1: After traveling and astonishing eight point five million kilometers, the

18:07 Speaker 1: rescue operation concluded successfully on July fifteenth, when both satellites

18:12 Speaker 1: reached their predetermined lunar orbits. When the satellites finally separated

18:16 Speaker 1: on August twenty eighth and imaged each other, the extent

18:20 Speaker 1: of the damage became clear. Droue's solar panels were bent

18:23 Speaker 1: nearly ninety degrees, while Drob's arrays resembled broken wings. Despite

18:29 Speaker 1: these challenges, the satellites achieved their primary mission objective by

18:33 Speaker 1: establishing k banned microwave inner satellite communication links with the

18:37 Speaker 1: DROL satellite, creating a three satellite network spanning the Earth

18:41 Speaker 1: Moon distance. Wang Wen Bin, a researcher involved in the project,

18:46 Speaker 1: highlighted the significance of this achievement. For the first time internationally,

18:50 Speaker 1: we have achieved the ability to use satellites to track

18:53 Speaker 1: other satellites instead of relying on ground stations. In essence,

18:57 Speaker 1: the ground station has been converted into a satelllight and

19:00 Speaker 1: placed in low orbit. This breakthrough paves the way for

19:03 Speaker 1: new technological advancements in future Earth, Moon space and deep

19:07 Speaker 1: space exploration. The DROA satellite carries additional scientific equipment, including

19:13 Speaker 1: an all sky detector to monitor gamma ray bursts. China

19:17 Speaker 1: plans to leverage these distant retrograde orbits for fundamental scientific

19:21 Speaker 1: research in fields including quantum mechanics and atomic physics, taking

19:25 Speaker 1: advantage of the long term orbital stability these unique trajectories provide.

19:29 Speaker 1: This mission recovery represents one of the most challenging spacecraft

19:32 Speaker 1: rescue operations in recent years, demonstrating remarkable ingenuity and perseverance

19:37 Speaker 1: from the Chinese space program. While that brings us to

19:42 Speaker 1: the end of today's journey through the Cosmos, what an

19:45 Speaker 1: incredible set of developments we've covered. From NASA's Punch mission

19:49 Speaker 1: capturing its first glimpses of the Sun's outer atmosphere, to

19:52 Speaker 1: the concerning safety issues facing our aging International Space Station.

19:57 Speaker 1: We explored how Curiosity may have finally solved a long

20:00 Speaker 1: standing Mars carbonate mystery, learned about the awakening Gleisberg cycle

20:05 Speaker 1: that could change our space weather patterns for decades to come,

20:08 Speaker 1: and marveled at the ingenious rescue of Chinese lunar spacecraft

20:12 Speaker 1: against seemingly impossible odds. If you're hungry for more space

20:16 Speaker 1: and astronomy news, visit our website at Astronomy Daily dot io,

20:20 Speaker 1: where our constantly updating news feed keeps you informed about

20:24 Speaker 1: the latest discoveries and developments across the Cosmos. While you're there,

20:27 Speaker 1: you can also catch up on all our previous episodes.

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20:42 Speaker 1: about the wonders of space exploration. Until next time, keep

20:45 Speaker 1: looking up. The universe has endless stories to tell, stories

21:00 Speaker 1: so stonish. The sol mhm