Astronauts Rescued, Space Debris Solutions, and the Dawn of Life Theories: S04E67

0:00 Speaker 1: Hello, and welcome to Astronomy Daily.

0:01 Speaker 2: I'm excited to bring you another fascinating roundup of space

0:04 Speaker 2: and astronomy news. Today, we have another great lineup of

0:08 Speaker 2: stories that showcase both human ingenuity and our expanding understanding

0:12 Speaker 2: of the Cosmos. We'll start with the dramatic rescue of

0:15 Speaker 2: two astronauts who were stranded in space for nine months

0:19 Speaker 2: and explore what this means for the future of space

0:22 Speaker 2: law and rescue operations.

0:24 Speaker 1: Then we'll look at some cutting edge spacecraft.

0:26 Speaker 2: Technology being developed in Europe that could help solve our

0:29 Speaker 2: space debris problem.

0:31 Speaker 1: We'll also dive into the.

0:33 Speaker 2: Preparations for dream Chaser's historic first flight, examine groundbreaking new

0:37 Speaker 2: images of our infant universe, and explore intriguing new theories.

0:41 Speaker 1: About how life began on Earth.

0:44 Speaker 2: Plus, we'll look at ambitious plans to mine valuable resources

0:47 Speaker 2: on the Moon. Stay with me as we journey through

0:50 Speaker 2: these remarkable developments in space exploration and discovery.

0:54 Speaker 1: And of course I'll kick things off today with the

0:56 Speaker 1: story the Whole World.

0:57 Speaker 2: Seems to be talking about nificant development for space operations.

1:02 Speaker 2: Astronauts Sunny Williams and Butch Wilmore have finally returned safely

1:06 Speaker 2: to Earth aboard SpaceX's Dragon capsule after an extended nine

1:10 Speaker 2: months stay on the International Space Station. Their prolonged stay

1:15 Speaker 2: wasn't planned. It began when their experimental Boeing Starliner spacecraft

1:19 Speaker 2: experienced malfunctions last June, making it too risky for their

1:22 Speaker 2: return journey. This unprecedented situation has brought to light critical

1:27 Speaker 2: questions about space rescue operations, particularly as we enter an

1:31 Speaker 2: era where space travel isn't limited to traditional astronauts. With

1:35 Speaker 2: civilians like William Shatner, Jeff Bezos, and Richard Branson already

1:39 Speaker 2: venturing into space, in celebrities like Katy Perry and Gail

1:42 Speaker 2: King planning upcoming flights, the need for clear rescue protocols

1:47 Speaker 2: has never been more pressing. The challenge lies in the

1:50 Speaker 2: current state of space law, which hasn't kept pace with

1:53 Speaker 2: the rapid commercialization of space travel. While international space law

1:58 Speaker 2: requires countries to rescue as astronauts regardless of nationality, there's

2:03 Speaker 2: significant uncertainty about whether private space companies have similar obligations.

2:07 Speaker 2: This legal vacuum becomes particularly concerning when we consider the

2:11 Speaker 2: growing number of space tourists. Space policy experts are now

2:15 Speaker 2: calling for two crucial reforms, first, a broader interpretation of

2:19 Speaker 2: the term astronaut to ensure rescue rights extend to all

2:22 Speaker 2: space travelers, and second, clear guidelines determining responsibility for rescuing

2:28 Speaker 2: private citizens in space emergencies. The pressing concern is that,

2:32 Speaker 2: without proper oversight, space tourism companies might require customers to

2:36 Speaker 2: waive their right to rescue, a potentially dangerous precedent. This

2:40 Speaker 2: rescue mission's success is certainly a relief for NASA, but

2:43 Speaker 2: it serves as a wake up call for the international

2:45 Speaker 2: space community. As we continue to push the boundaries of

2:49 Speaker 2: space exploration and tourism, we need to ensure our legal

2:52 Speaker 2: frameworks evolved to protect everyone who ventures beyond Earth's atmosphere.

2:57 Speaker 2: Let's turn our attention now to another press problem in space.

3:01 Speaker 2: A group of European companies has embarked on an innovative

3:04 Speaker 2: project to tackle the growing challenge of space debris. Led

3:09 Speaker 2: by Portuguese startup Spaceio, the consortium has secured three million

3:13 Speaker 2: euros in funding from the European Space Agency to test

3:17 Speaker 2: an inflatable drag sale designed to help satellites return to

3:20 Speaker 2: Earth more efficiently. This groundbreaking system starts at just twenty

3:24 Speaker 2: square centimeters, but can inflate to an impressive one point

3:27 Speaker 2: five square meters once deployed. The dramatic size increase creates

3:31 Speaker 2: significant atmospheric drag, allowing satellites to diorbit much more quickly

3:36 Speaker 2: than they would naturally. Instead of taking a decade to

3:39 Speaker 2: burn up in the atmosphere, satellites equipped with this technology

3:43 Speaker 2: could complete their descent in just over a year. While

3:47 Speaker 2: the initial test will involve a relatively small twelve unit

3:50 Speaker 2: cube SAT, the technology has potential applications for satellites up

3:54 Speaker 2: to two hundred kilograms. What makes the system particularly valuable

3:57 Speaker 2: is its ability to function even if the satellite itself

4:01 Speaker 2: fails or malfunctions, unlike traditional propulsion based deorbiting methods that

4:05 Speaker 2: require the satellite to remain operational. The SWIFT project, which

4:10 Speaker 2: stands for Spacecraft with Inflatable Termination, brings together expertise from

4:14 Speaker 2: across Europe. French company space Locker will handle integration, Dutch

4:19 Speaker 2: firm gam Space will provide the host satellite, and solid

4:22 Speaker 2: Flow from the Netherlands will develop the critical gas generation

4:25 Speaker 2: system needed for inflation. This development comes at a crucial

4:29 Speaker 2: time as the number of satellites in orbit continues to

4:33 Speaker 2: grow exponentially by providing a reliable and autonomous method for

4:37 Speaker 2: removing defunct satellites from orbit. This technology could play a

4:41 Speaker 2: vital role in maintaining the long term sustainability of our

4:44 Speaker 2: orbital environment and preventing the accumulation of dangerous space debris.

4:50 Speaker 2: The team plans to demonstrate this innovative deorbiting system in

4:53 Speaker 2: low Earth orbit by twenty twenty eight, marking a significant

4:56 Speaker 2: step forward in responsible space operations and debris mitigation effort.

5:01 Speaker 2: In exciting developments for space exploration, Sierra Space's Dream Chaser

5:06 Speaker 2: spacecraft is entering its final testing phase before its historic

5:10 Speaker 2: first flight to the International Space Station. Nicknamed the Mini Shuttle,

5:16 Speaker 2: this spacecraft will be the first since the retirement of

5:18 Speaker 2: the Space Shuttle program in twenty eleven to dock with

5:21 Speaker 2: the ISS and then return to Earth via runway landing.

5:26 Speaker 2: The first Dream Chaser vehicle, named Tenacity, is currently in

5:30 Speaker 2: Florida undergoing crucial preflight testing. The spacecraft must complete electromagnetic

5:35 Speaker 2: interference testing and acoustic chamber trials to ensure it can

5:39 Speaker 2: withstand the intense vibrations of launch. These tests will verify

5:44 Speaker 2: that all onboard systems can function properly in the harsh

5:47 Speaker 2: environment of space. Tenacity will launch a board ULA's new

5:51 Speaker 2: Vulcan rocket and carry over three thousand, five hundred kilograms

5:55 Speaker 2: of supplies and science equipment to the ISS. The vehicle

5:59 Speaker 2: is designed to remain docked to the station for between

6:02 Speaker 2: thirty and ninety days, depending on mission requirements. One of

6:06 Speaker 2: dream Chaser's most remarkable features is its advanced thermal protection system.

6:11 Speaker 2: Unlike the Space Shuttle's mixed use of tiles and blankets,

6:14 Speaker 2: Tenacity is covered in approximately two thousand specialized black and

6:18 Speaker 2: white tiles. These tiles can withstand temperatures up to two thousand,

6:22 Speaker 2: six hundred degrees fahrenheit across multiple re entry cycles, while

6:26 Speaker 2: also helping regulate the spacecraft's temperature during orbital operations. The

6:30 Speaker 2: vehicle's design includes several key safety improvements over the Space Shuttle.

6:35 Speaker 2: Dream Chaser launches inside a protective firing, preventing the tile

6:39 Speaker 2: damage from falling foam or ice that plagued the Shuttle program.

6:43 Speaker 2: It also uses a more environmentally friendly propulsion system, combining

6:47 Speaker 2: refined kerosene with hydrogen peroxide instead of toxic hypergolic fuels.

6:52 Speaker 2: Sierra Space has already begun work on a second vehicle

6:55 Speaker 2: named Reverence, which is being assembled at their Dream Factory

6:58 Speaker 2: in Colorado, with Tenacity scheduled to fly the first four

7:02 Speaker 2: missions and Reverence taking over from the fifth flight onward.

7:06 Speaker 2: Dreamchaser represents an exciting new chapter in space transportation, combining

7:11 Speaker 2: the best features of past spacecraft with modern innovations. The

7:16 Speaker 2: Atacama Cosmology Telescope in Chile has captured groundbreaking new images

7:20 Speaker 2: that give us our most detailed look yet at the

7:23 Speaker 2: infant universe. These remarkable baby pictures show the cosmos just

7:28 Speaker 2: three hundred eighty thousand years after the Big Bang, revealing

7:32 Speaker 2: the universe's first steps toward forming stars and galaxies. With

7:36 Speaker 2: unprecedented clarity, The images capture what's known as the cosmic

7:41 Speaker 2: microwave background, the afterglow of the first light that was

7:44 Speaker 2: able to travel freely through space. Before this moment, the

7:48 Speaker 2: universe was so hot and dense that light couldn't move

7:51 Speaker 2: without being scattered by free electrons. But as the cosmos

7:56 Speaker 2: expanded and cooled, atoms formed and light could finally travel

8:00 Speaker 2: unimpeded through space. What makes these new observations so special

8:05 Speaker 2: is their extraordinary precision. The Telescope's images are five times

8:10 Speaker 2: sharper than previous observations and show both the intensity and

8:13 Speaker 2: polarization of this ancient light. This allows scientists to see

8:17 Speaker 2: not just where matter was located in the early universe,

8:20 Speaker 2: but how it was moving. The data reveals subtle variations

8:24 Speaker 2: in density and velocity of the primordial gases that filled

8:27 Speaker 2: the young cosmos. We can now see vast regions of

8:30 Speaker 2: higher and lower density extending millions of light years across

8:34 Speaker 2: over billions of years. Gravity would pull these denser regions inward,

8:38 Speaker 2: eventually leading to the formation of the first stars and galaxies.

8:43 Speaker 2: These findings have helped validate our standard model of cosmology,

8:46 Speaker 2: showing it to be remarkably robust. The observations indicate that

8:51 Speaker 2: the observable universe extends about fifty billion light years in

8:55 Speaker 2: all directions, with a total mass equivalent to about two

8:59 Speaker 2: trillion trillis in suns. Of this cosmic inventory, ordinary matter

9:04 Speaker 2: makes up only about five percent, while dark matter accounts

9:07 Speaker 2: for about twenty six percent and the mysterious dark energy

9:10 Speaker 2: comprises the remaining sixty nine percent. The images provide an

9:15 Speaker 2: unprecedented window into our cosmic origins, allowing us to witness

9:19 Speaker 2: the universe taking its very first steps toward becoming the

9:23 Speaker 2: rich and complex cosmos we see today. Next up, a

9:27 Speaker 2: subject we keep revisiting, but one we all have an

9:30 Speaker 2: interest in. Recent research has revealed an intriguing new theory

9:35 Speaker 2: about how life might have emerged on Earth. Scientists at

9:38 Speaker 2: Stanford University have discovered that micro lightning, tiny electrical discharges

9:43 Speaker 2: between water droplets could have provided the spark needed to

9:47 Speaker 2: create life's building blocks. This challenges the traditional view that

9:51 Speaker 2: only powerful atmospheric lightning could have triggered these crucial chemical reactions.

9:56 Speaker 2: When water droplets separate through splashing or spraying, they develop

10:00 Speaker 2: different electrical charges. Larger drops tend to become positively charged,

10:04 Speaker 2: while smaller ones take on negative charges. When these oppositely

10:08 Speaker 2: charged droplets come close together, they create microscopic lightning strikes.

10:13 Speaker 2: These tiny electrical discharges appear capable of producing the same

10:17 Speaker 2: organic molecules previously seen in famous origin of life experiments.

10:23 Speaker 2: The researchers demonstrated that this micro lightning can create important

10:27 Speaker 2: carbon nitrogen bonds and form compounds essential for life, including

10:31 Speaker 2: amino acids and components of RNA. This process could have

10:35 Speaker 2: been widespread on early Earth occurring wherever water sprayed against

10:39 Speaker 2: rocks or in ocean waves, making it a more plausible

10:43 Speaker 2: mechanism for life's origins than rare lightning strikes. In other

10:48 Speaker 2: fascinating developments, a Seattle based company called Interlune has announced

10:52 Speaker 2: ambitious plans to prospect the Moon for helium three. This

10:56 Speaker 2: rare isotope, currently valued at around twenty million dollars per

10:59 Speaker 2: kil telegram, could potentially power future nuclear fusion reactors. The

11:04 Speaker 2: Moon's surface contains an estimated one million metric tons of

11:07 Speaker 2: helium three deposited there over billions of years by solar winds.

11:12 Speaker 2: Interlun plans to launch their prospect Moon mission in twenty

11:15 Speaker 2: twenty seven, equipped with specialized systems to sample and process

11:19 Speaker 2: lunar regalith They'll focus on areas rich in a mineral

11:22 Speaker 2: called ilmanite, which tends to trap helium three. The company

11:26 Speaker 2: aims to demonstrate the feasibility of extracting this valuable resource

11:30 Speaker 2: while contributing important scientific data about the Moon's composition. And

11:36 Speaker 2: that's all for today's episode of Astronomy Daily. If you'd

11:39 Speaker 2: like to dive deeper into any of these fascinating stories,

11:42 Speaker 2: head over to Astronomy Daily dot io, where you can

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12:01 Speaker 2: This is Anna. Thank you for sharing in today's journey

12:04 Speaker 2: through the Cosmos. Until next time, keep looking up and

12:07 Speaker 2: wondering about the mysteries that await us in the vast

12:10 Speaker 2: expanse of space. Sunday STARZL.

12:22 Speaker 1: Star is so

12:30 Speaker 2: Star.