S03E109: 25 Years of Chandra & Mars' Greatest Hits

0:02 Speaker 1: Welcome to Astronomy Daily, the podcast where we explore the

0:05 Speaker 1: latest news and discoveries in the world of space and astronomy.

0:09 Speaker 1: I'm your host, Anna, and I'm excited to guide you

0:11 Speaker 1: through some fascinating updates today, from groundbreaking missions and scientific

0:15 Speaker 1: revelations to the latest in aerospace engineering. We have a

0:18 Speaker 1: packed episode that is sure to spark your curiosity about

0:22 Speaker 1: the cosmos. So sit back, relax, and let's embark on

0:26 Speaker 1: this incredible journey through the universe together. NASA's Chandra X

0:32 Speaker 1: ray Observatory is celebrating its twenty fifth anniversary. This marvel

0:37 Speaker 1: of engineering has provided us with invaluable insights into black

0:40 Speaker 1: hole's dark matter and more. Since its launch aboard the

0:43 Speaker 1: Space Shuttle Columbia on July twenty third, nineteen ninety nine,

0:47 Speaker 1: Chandra has been an exceptional source of astronomical knowledge and

0:51 Speaker 1: has managed to keep our curiosity peaked about the universe.

0:55 Speaker 1: The observatory came into being thanks to the hard work

0:58 Speaker 1: and ingenuity of a dedicated team of engineers, designers, test technicians,

1:03 Speaker 1: and analysts at NASA's Marshall Space Flight Center in Huntsville, Alabama.

1:08 Speaker 1: Their efforts, combined with those of partners across the agency

1:12 Speaker 1: and the Chandra Operations Control Center in Burlington, Massachusetts, have

1:16 Speaker 1: allowed CHANDRA to continuously operate at the forefront of X

1:20 Speaker 1: ray astronomy. Chandra's contributions to our understanding of the cosmos

1:24 Speaker 1: are nothing short of groundbreaking. It's offered valuable data on

1:28 Speaker 1: the formation of galaxies and superstar clusters, the behavior of

1:32 Speaker 1: supermassive black holes, evidence supporting the existence of dark matter,

1:37 Speaker 1: and even insights into gravitational wave events. This wealth of

1:41 Speaker 1: information has made Chandra an indispensable tool for scientists who

1:45 Speaker 1: seek to unravel the mysteries of the universe. When reflecting

1:49 Speaker 1: on the impact of Chandra over the last quarter century,

1:52 Speaker 1: retired NASA astrophysicist Martin Weiskoff, who led Chandra's scientific development,

1:57 Speaker 1: noted that it has opened new windows in astra physics

2:00 Speaker 1: that were scarcely imagined before its launch. The observatory's design

2:04 Speaker 1: allows it to detect X ray emissions with unprecedented clarity

2:08 Speaker 1: and sensitivity, making it possible to observe phenomena from the

2:12 Speaker 1: distant past of the universe. Despite the challenges faced in

2:16 Speaker 1: its development, including budget revisions that meant changing the mission's

2:20 Speaker 1: original scope from a fifteen year serviceable mission to a

2:23 Speaker 1: five year unserviceable one. Chandra has outperformed expectations thanks to

2:29 Speaker 1: innovative engineering strategies, including automation of some operations and meticulous

2:34 Speaker 1: monitoring of the spacecraft's condition. Chandra has exceeded its anticipated

2:39 Speaker 1: lifespan and continues to provide valuable data. The long term

2:43 Speaker 1: success of Chandra is a testament to the capabilities and

2:46 Speaker 1: foresight of the engineering teams at Marshall Space Flight Center.

2:50 Speaker 1: These engineers not only overcame significant technical challenges, but also

2:55 Speaker 1: created tools and conducted tests that would pave the way

2:58 Speaker 1: for future missions such as the James Webb Space Telescope.

3:03 Speaker 1: As we celebrate Chandra's silver anniversary, it's important to consider

3:06 Speaker 1: the human element behind its success. Acting Project manager Andrew

3:11 Speaker 1: Schnell highlights that Chandra is now maintained by third generation

3:14 Speaker 1: engineers who are every bit as dedicated as their predecessors.

3:19 Speaker 1: This gives us confidence that Chandra will continue to thrive

3:22 Speaker 1: and contribute to our understanding of space for years to come.

3:26 Speaker 1: The story of Chandra is one of perseverance, innovation, and

3:30 Speaker 1: the boundless quest for knowledge. As the team on the

3:34 Speaker 1: ground prepares for new challenges ahead. Chandra's legacy will undoubtedly

3:38 Speaker 1: inspire both current and future generations of scientists and engineers

3:44 Speaker 1: in their exploration of the universe. You can learn more

3:47 Speaker 1: about the Chandra X ray Observatory and its mission by

3:50 Speaker 1: visiting NASA's website or the Smithsonian Astrophysical Observatory. Here's to

3:57 Speaker 1: another twenty five years of incredible discoveries and even more

4:00 Speaker 1: fascinating insights from this stellar observatory. Mars has always been

4:07 Speaker 1: a subject of intrigue for scientists and space enthusiasts alike.

4:11 Speaker 1: At the recent tenth International Conference on Mars, experts gathered

4:15 Speaker 1: to highlight ten significant milestones that have shaped our understanding

4:19 Speaker 1: of the red planet and set the stage for future exploration.

4:22 Speaker 1: First on the list is the presence of an international

4:25 Speaker 1: science fleet at Mars. As of July twenty twenty four,

4:29 Speaker 1: there are nine spacecraft currently operating on and around Mars,

4:33 Speaker 1: including two surface rovers and seven orbiters. NASA leads this

4:37 Speaker 1: fleet with its perseverance and curiosity rovers and orbiters like

4:41 Speaker 1: Maven and Mars Reconnaissance Orbiter, notably ESA, China and the

4:45 Speaker 1: United Arab Emirates also contribute to this collective effort. Reflecting

4:49 Speaker 1: a global interest in unraveling Mars mysteries. Next up, Curiosity's

4:53 Speaker 1: discovery of a mysterious methane surge in June twenty nineteen

4:57 Speaker 1: captivated the scientific community. Detected the largest amount of methane

5:02 Speaker 1: ever recorded during its mission, which then suddenly vanished. This

5:07 Speaker 1: enigmatic find only deepened the intrigue surrounding methane's role and

5:10 Speaker 1: behavior in Mars's atmosphere, driving scientists to continue their efforts

5:15 Speaker 1: and understanding this phenomenon. In February twenty twenty three, Curiosity

5:20 Speaker 1: made another groundbreaking discovery when it uncovered the clearest evidence

5:24 Speaker 1: yet of ancient lake bottom wave ripples. These formations suggest

5:29 Speaker 1: that the region, once considered dry, was actually shaped by

5:32 Speaker 1: water many millions of years ago, offering new insights into

5:36 Speaker 1: Mars's watery past. A momentous event took place in April

5:40 Speaker 1: twenty nineteen when NASA's Mars Insit lander detected the first

5:44 Speaker 1: ever marsquake. This seismic activity officially kicked off the field

5:49 Speaker 1: of Martian seismology, providing critical data about the planet's internal

5:53 Speaker 1: dynamics and geophysical properties. In July twenty twenty one, Insight

5:58 Speaker 1: once again made headlines by revealing previously unknown details about

6:01 Speaker 1: Mars's deep interior, confirming that the planet's core is molten.

6:05 Speaker 1: This discovery has profound implications for our understanding of Mars's

6:09 Speaker 1: geologic and thermal history. October twenty twenty two saw Insight

6:14 Speaker 1: capturing a stunning meteoroid impact that revealed subsurface ice. The

6:18 Speaker 1: Mars Reconnaissance Orbiter's cameras immortalized the impact site, where large

6:22 Speaker 1: chunks of ice were unearthed, spotlighting the potential resources for

6:25 Speaker 1: future astronauts. Speaking of long lasting endeavors, NASA's Opportunity Rover

6:30 Speaker 1: concluded its nearly fifteen year mission in July twenty twenty one.

6:35 Speaker 1: This enduring rover not only provided invaluable data, but also

6:38 Speaker 1: set the groundwork for NASA's ongoing and future missions to Mars.

6:42 Speaker 1: Summer twenty eighteen brought one of Mars's notorious global dust storms.

6:47 Speaker 1: These massive climatic events enveloped the planet, driven by a

6:51 Speaker 1: complex series of smaller storms. Such phenomena offers scientists a

6:55 Speaker 1: rare glimpse into the atmospheric dynamics and evolution of planetary

6:58 Speaker 1: weather systems, further cementing its utility. NASA unveiled a water

7:03 Speaker 1: ice map of Mars in October twenty twenty three. This

7:06 Speaker 1: detailed map will be instrumental in selecting future landing sites.

7:10 Speaker 1: As available water means missions can carry fewer supplies from Earth,

7:14 Speaker 1: making human exploration more sustainable. Lastly, a magnificent interactive globe

7:20 Speaker 1: of Mars was created in April twenty twenty three, using

7:23 Speaker 1: one hundred ten thousand images from NASA's Mars Reconnaissance orbiter.

7:28 Speaker 1: This tool has brought the Red planet to vivid life,

7:30 Speaker 1: allowing scientists, educators, and the general public to explore Mars's

7:34 Speaker 1: geography in mesmerizing detail. These ten significant milestones encapsulate a

7:39 Speaker 1: thrilling period for Mars exploration. Each discovery builds a richer

7:44 Speaker 1: narrative of Mars's past and brings us closer to a

7:47 Speaker 1: future where human presence on Mars isn't just a dream,

7:50 Speaker 1: but a tangible reality. Stay tuned as we keep our

7:54 Speaker 1: eyes fixed on the Red planet, eager to uncover its

7:56 Speaker 1: remaining secrets. SpaceX's Starlink satellites have performed nearly fifty thousand

8:05 Speaker 1: collision avoidance maneuvers in the last six months. This staggering

8:09 Speaker 1: number about double the previous period showcases the meticulous efforts

8:14 Speaker 1: SpaceX puts into maintaining space safety. Their transparency in sharing

8:19 Speaker 1: this information is commendable, but it also raises some critical concerns.

8:24 Speaker 1: Experts are lotting SpaceX for its commitment to reducing the

8:27 Speaker 1: risk of collisions in space. Each starlink satellite has autonomously

8:31 Speaker 1: dodged potential crashes thanks to onboard AI. With over six

8:36 Speaker 1: thousan two hundred operational units currently in orbit, the sheer

8:40 Speaker 1: volume of these maneuvers hints at the complexity of managing

8:43 Speaker 1: such a vast constellation. However, the increased activity is a

8:47 Speaker 1: double edged sword. While avoiding collisions is crucial, the frequent

8:51 Speaker 1: adjustments introduce uncertainties. Post maneuver positions of satellites can deviate

8:56 Speaker 1: significantly from their predicted paths, complicating collision forecasts and space

9:02 Speaker 1: traffic management. The maneuvers themselves, though necessary, contribute to this

9:07 Speaker 1: growing challenge. The issue is further compounded by a new

9:11 Speaker 1: lower threshold for maneuvers. Starlink satellites now move to evade

9:15 Speaker 1: objects when there's even a one in a million chance

9:18 Speaker 1: of collision, a threshold one hundred times more stringent than

9:21 Speaker 1: the industry standard. Though it heightens safety, it also accelerates

9:25 Speaker 1: the consumption of satellite propellant, potentially shortening their operational life.

9:30 Speaker 1: Adding to the concern is the backdrop of increasing solar activity.

9:34 Speaker 1: Events like coronal mass ejections can alter the density of

9:37 Speaker 1: the Earth's upper atmosphere, affecting satellite orbits. This space weather

9:42 Speaker 1: can inadvertently increase the drag on satellites, making collision avoidance

9:47 Speaker 1: even more pressing. As SpaceX continues to grow at Starlink

9:51 Speaker 1: Mega constellation projected to possibly reach forty two thousand satellites,

9:55 Speaker 1: the frequency of these maneuvers is expected only to rise.

10:00 Speaker 1: Predictions suggests that by twenty twenty seven we might see

10:03 Speaker 1: up to eighty thousand avoidance maneuvers every half year. It

10:07 Speaker 1: paints a picture of a future where managing space traffic

10:09 Speaker 1: becomes an intricate dance of constant adjustments and high stakes precision.

10:15 Speaker 1: While SpaceX's proactive approach in space traffic management is pioneering,

10:19 Speaker 1: it also underscores the broader issue of orbital congestion. Maintaining

10:24 Speaker 1: the delicate balance of safety, sustainability, and operational efficiency in

10:28 Speaker 1: this increasingly crowded space environment will be one of the

10:31 Speaker 1: defining challenges for future satellite constellations and missions. So while

10:35 Speaker 1: SpaceX's efforts are certainly a milestone in responsible space exploration,

10:40 Speaker 1: the broader community must adapt and innovate continuously to keep

10:44 Speaker 1: our orbital highways safe for the current and next generations

10:47 Speaker 1: of spacefarers. When it comes to setting up a sustainable

10:53 Speaker 1: lunar base, water is one of the most crucial resources. Luckily,

10:57 Speaker 1: the UK Space Agency is taking significance steps to ensure

11:01 Speaker 1: that future Moon inhabitants won't go thirsty. The agency recently

11:05 Speaker 1: awarded thirty thousand pounds in funding to ten innovative teams,

11:08 Speaker 1: challenging them to extract and purify water from the ice

11:11 Speaker 1: found in the Moon's craters, especially in the lunar South Pole.

11:16 Speaker 1: One of the most captivating projects to come out of

11:18 Speaker 1: this initiative is by Lowland Naker of Nacre Scientific Limited.

11:22 Speaker 1: His team is looking at using something as commonplace as

11:25 Speaker 1: a microwave oven from Tesco to melt the dirty lunar ice.

11:29 Speaker 1: This might sound simple, but the science behind it is

11:32 Speaker 1: anything but. After purchasing that microwave, Niker plans to strip

11:36 Speaker 1: it down and incorporate its magnetron which is the device

11:40 Speaker 1: responsible for generating microwaves into their water extraction process. The

11:45 Speaker 1: goal is to use powerful sound waves in a sonochm

11:48 Speaker 1: system to generate millions of tiny bubbles within the lunar water.

11:53 Speaker 1: These bubbles create high temperatures and pressures that produce free

11:56 Speaker 1: radicals highly reactive substances that break down contaminants in the water.

12:02 Speaker 1: Imagine that a kitchen appliance helping to make human life

12:06 Speaker 1: possible on the Moon. But the innovation doesn't stop there.

12:10 Speaker 1: The other teams are bringing their own unique approaches to

12:14 Speaker 1: tackle this challenge. For example, the British Interplanetary Society developed

12:18 Speaker 1: a device called Ganymede's Chalice, where a curved mirror focuses

12:22 Speaker 1: the Sun's rays to boil components within the lunar ice,

12:26 Speaker 1: allowing for the collection of purified water. Queen Mary University

12:31 Speaker 1: of London is pushing boundaries by aiming to create supercritical

12:34 Speaker 1: water using high heat and intense pressure. This method promises

12:39 Speaker 1: to oxidize contaminants, making the water clean enough for consumption

12:43 Speaker 1: and other uses. In addition, there's Nascent Semiconductor Limited, which

12:47 Speaker 1: is working on the Titania Diamond Annular Reactor. This compact

12:51 Speaker 1: system uses a titanium dioxide catalyst activated by LED based

12:56 Speaker 1: UV light to break down impurities. It's a fine blend

12:59 Speaker 1: of practical inn engineering and cutting edge science. Minimum Design,

13:02 Speaker 1: Limited in Suffolk has another promising solution with its cyclic

13:05 Speaker 1: volatile extractor. This innovation involves heating dirty ice in a

13:09 Speaker 1: specially designed chamber to separate different contaminants efficiently, making the

13:14 Speaker 1: system ideal for the harsh environmental conditions of the Moon.

13:17 Speaker 1: Each of these solutions presents a novel way to harness

13:20 Speaker 1: and purify the Moon's ice, and the UK Space Agency

13:24 Speaker 1: hopes to integrate the best ideas in future missions. What's more,

13:28 Speaker 1: these technologies are designed with adaptability in mind, meaning they

13:32 Speaker 1: can also be applied in areas on Earth that struggle

13:35 Speaker 1: with access to clean water, from war torn regions to

13:38 Speaker 1: rural communities lacking reliable water sources. The implications of these

13:42 Speaker 1: lunar technologies are vast. Imagine deploying a slightly larger version

13:46 Speaker 1: of these systems on the back of a van to

13:48 Speaker 1: bring clean water to those in need, or consider the

13:51 Speaker 1: potential adaptations for discovering and utilizing water on Mars and

13:56 Speaker 1: other celestial bodies. The finalists will continue developing solutions over

14:01 Speaker 1: the next seven months, with the winner and two runners

14:04 Speaker 1: up being rewarded with additional funding to bring their projects

14:07 Speaker 1: to operational status. The promise of extracting clean water from

14:11 Speaker 1: lunar ice is not just about supporting life on the Moon.

14:14 Speaker 1: It's a testament to human ingenuity and our ability to

14:17 Speaker 1: solve problems through innovation. These advancements could revolutionize how we

14:22 Speaker 1: think about water resource management, both in space and here

14:26 Speaker 1: on Earth, setting the stage for the next frontier in

14:29 Speaker 1: human exploration and sustainable living. Thanks for tuning in to

14:35 Speaker 1: Astronomy Daily with me Anna. I hope you enjoyed today's

14:38 Speaker 1: cosmic updates and discoveries. If you're hungry for more space news,

14:42 Speaker 1: don't forget to visit our website at Astronomy Daily dot io.

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