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The first space tourism mission by Elon Musk’s SpaceX blasted off from Florida on Wednesday and the four crew members — a billionaire and three other Americans — have already seen more than 25 sunsets and sunrises.

SpaceX has released few details about their adventure since they reached an orbit which is more distant than that of the International Space Station.

Here’s what we know about their life on board:

Nine square meters 

The four space tourists are aboard the SpaceX crew capsule called Dragon.

It is 8.1 meters (26.7 feet) tall and has a diameter of four meters (13 feet).

The capsule is composed of a trunk, which is inaccessible to the crew, upon which sits the living quarters.

The entire volume of the capsule is just 9.3 square meters (328 square feet).

Chris Sembroski, a 42-year-old Air Force veteran who is one of the crew members, has compared it to travelling with friends in a van — one you can’t step away from though if you want to take a break.

Toilets with a view

The exact technology behind the toilets aboard the capsule is a SpaceX secret.

But Hayley Arceneaux, one of the four crew members, said in a Netflix documentary that the “bathroom is on the ceiling.”

“Really literally a panel that we take off and there’s like a funnel,” Arceneaux said. “There’s no upside down in space.”

The toilet is located near the clear glass observation dome, or cupola, installed on Dragon, which provides a spectacular 360-degree view of the cosmos.

“When people do inevitably have to use the bathroom, they’re going to have one hell of a view,” billionaire Jared Isaacman, the mission commander, told Business Insider.

Privacy is ensured with a simple curtain.

‘Eating, doing chores’ 

SpaceX released a video call Friday between the Inspiration4 crew and patients at St. Jude Children’s Research Hospital in Memphis, Tennessee.

The 29-year-old Arceneaux, who was treated for bone cancer as a child at St. Jude and works there now as a physician assistant, was asked by a patient what the astronauts do for “fun” in space.

She said they have spent time “eating, doing chores and looking out the window at the world.”

Sembroski said they’ve also been doing “a lot of blood tests and glucose monitoring.”

The astronauts were also asked what is their favorite “space food.”

“My favorite space food is pizza which I had yesterday and I’ll probably have for dinner tonight also,” said Sian Proctor, 51, who teaches geology at a small college in Arizona and was a finalist to become a NASA astronaut.

Musical interludes are also planned. Each passenger drew up a 10-song playlist and Sembroski planned to bring his ukelele.

The instrument and other objects are to be auctioned later with the proceeds going to St Jude.

The goal of the mission is to raise $200 million for the hospital, with Isaacman personally donating $100 million.

Scientific research 

SpaceX tweeted on Thursday that the crew had carried out a “first round of scientific research.”

One of the goals of the mission is to collect data on the effects of the environment of space on complete novices.

Their cardiac rhythms, sleep and blood oxygen levels will be monitored along with radiation exposure.

Their cognitive functions were tested before the flight and will be examined again on their return.

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Scientists Reportedly Found a Potential Sign of Life on a Distant Planet: What You Need to Know

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April 25, 2025

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Scientists Reportedly Found a Potential Sign of Life on a Distant Planet: What You Need to Know

A team of astronomers have reportedly discovered biological activity outside the solar system. The scientists have revealed that the distant planet, named K2-18 b, comprises more than one molecule in its atmosphere that potentially has been generated by living things. However, this revelation has made a sensation among astronomers across the world, more specifically for those who study biosignatures in exoplanet atmospheres.

 

According to report by Nature.com, K2-18 b is a planet that is smaller than Neptune. It lies at a distance of 38 parsecs above the Earth.

About the Discovery

Dimethyl sulphide (DMS) has been discovered by scientists from the University of Cambridge, UK, in the atmosphere of K2-18b. The DMS molecule is generated by living organisms, which has raised speculations about the potential for life on this distant planet. The scientists used the James Webb Space Telescope (JWST) to implement research. Also, the discovery happened when a molecule was detected in the starlight filtering through the planet’s atmosphere. These chemicals have raised curiosity amongst astronomers as they are generated by living organisms on the planet Earth.

This discovery first came into the light in the year 2023. However, the new revelations have been made as a result of the follow-up on similar findings. This time, the scientists used different wavelengths and a research strategy to support their discovery of molecules on the distant planet. .

Significance of this Discovery

For decades, scientists have been engrossed in studying life beyond Earth. Now that the pieces of evidence are hinting towards the potential existence of DMS or DMDS on K2-18 b. If proven, this will be a historic win for the scientists. Furthermore, this discovery is a step towards understanding planets from a broader perspective. Overall, more than 5,800 planets have been detected throughout the Universe.

Reason Behind Uncertainty by Other Researchers

The scientists are sceptical about this discovery as they doubt whether DMS or DMDS are really present or is K2-18 b is barren. While some of the researchers are not confident about the discovery, the expert team of scientists from the University of Cambridge, UK, is working extensively to provide a proven base to support their findings.

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Space Veteran Astronaut Returns to Earth to Celebrate his Birthday on April 20

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April 25, 2025

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Space Veteran Astronaut Returns to Earth to Celebrate his Birthday on April 20

The oldest veteran astronaut from NASA landed from the International Space Station on his 70th birthday. Donald Pettit, the U.S astronaut, reached Earth after seven months with his crew members Aleksey Ovchinin and Ivan Vagner, two Russian cosmonauts. The spacecraft Soyuz MS-26 launched on September 11, 2024 and came back to Earth on Saturday, April 20, 2025, at 6:20 AM local time in the steppes of Kazakhstan. He has made a remarkable history by landing on his birthday. He is a renowned name in the space world and has completed 13 spacewalk hours.

Legacy of Pettit

According to reported by space.com , This was the fourth flight of Pettit and Ovchinin, but the second for Vagner. Pettit worked for 590 days, Ovchinin for 595 days, and Vagner for 416 days in space until now, counted after this landing. This trio orbited Earth 3,520 times and finished this 93.3 million-mile journey throughout their mission. NASA astronaut and Expedition 73 flight engineer Nichole Ayers wrote on X on Saturday, saying goodbye today to Donald Pettit. It’s a bittersweet moment as Pettit had an amazing mission by inspiring many individuals while being here.

Back to Earth

The trio began their arrival at 5:57 PM EDT on Saturday, as the Soyuz spacecraft undocked from the station. The vehicle had deorbited burn for around two and a half hours, shedding its orbit, leaving the gumdrop-shaped capsule to bring all of them home. Anne McCain, Ayers, and Jonny Kim, together with JAXA astronaut and Commander of expedition 73, Takuya Onishi, Sergey Ryzhikov and Alexey Zubritsky, are the ones who are still in space.

Soyuz Spacecraft MS-26

It marked a significant spaceflight to the ISS (International Space Station), from its launch to landing, as it transported three well-experienced crew members, including Donald Pettit, Ivan Vagner, and Aleksey Ovchinin, to space for long-term microgravity research in the field of biology, physics, and material science. The spacecraft also docked as an emergency space vehicle for up to 220 days.

Pettit’s Achievements

Many people who follow the science of opportunity demonstrations and photographs of Earth by him know that he is a man of great contributions. Pettit has also helped to oversee the departure of Spacex’s Crew-9 mission on Dragon Freedom, along with Crew-10 on Dragon Endurance and the Cygnus departure of a cargo ship. He has also been a flight engineer for Expedition 30/31 in 2012. Pettit has made major contributions by discovering g-cups to drink coffee in space and polarised photography from space.

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New Study Finds Hercules-Corona Borealis Great Wall Bigger and Nearer Than Thought

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April 23, 2025

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New Study Finds Hercules-Corona Borealis Great Wall Bigger and Nearer Than Thought

Astronomers have revealed that the Hercules-Corona Borealis Great Wall, a massive network of galaxies, might be bigger than they realised. By mapping the cosmos with gamma-ray bursts (GRBs)—the brightest explosions in the universe—astronomers found that this structure is even bigger than previously estimated. Surprisingly, portions of it also lie significantly closer to Earth than previously believed, challenging fundamental assumptions about how the universe is structured and evolves.
This cosmic structure was first observed in 2014 — a dense galaxy forming a filament of a supercluster.

A new study now extends the researchers’ previous work, but with a wider GRB sample. Hakkila and Zsolt Bagoly, authors of the study, have refined the measurements. They detected a number of relatively nearby GRBs in their sample. The evidence also shows the Great Wall is larger and wider than previously predicted.

Gamma-Ray Bursts Expose Structure Too Large for Current Models

According to a Space.com report, the GRBs figure prominently in the early discovery and more recent growth of the Hercules–Corona Borealis Great Wall. These explosive outbursts — from either collapsing massive stars or colliding neutron stars — produce powerful jets that can be spotted over cosmological distances. Hakkila told the publication that GRBs act as another bright beacon for identifying galaxies, even those too faint to see directly. Because of their brightness, scientists can follow matter throughout the universe more distinctly than ever.

The Great Wall, over 10 billion light-years long, challenges the cosmological principle of uniform universe appearance. Its massive size indicates gaps in current theories and implies that the universe’s formation time was insufficient for such massive structures.

THESEUS May Reveal Full Scale of Cosmic Great Wall

NASA’s Fermi Gamma-ray Burst observations reveal 542 GRB events, but more data is needed to fully understand the Great Wall’s scope due to misidentified origins and sparse sampling. Hakkila points toward the upcoming ESA mission THESEUS — the Transient High Energy Sources and Early Universe Surveyor — as the next major leap.

The mission aims to dramatically expand the catalogue of known GRBs, particularly at extreme distances. “It could finally provide the observational leverage needed to map the Hercules–Corona Borealis Great Wall to its full extent,” Hakkila told Space.com, emphasising its role in refining our understanding of the universe’s large-scale structure.

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