Comet 3I Atlas - The Interstellar Voyager Unveiled

In this episode of SpaceTime , we explore the latest revelations from the cosmos, featuring the intriguing interstellar comet 3I Atlas, a groundbreaking theory about our place in the universe, and the safe return of SpaceX Crew 10.

The Enigmatic Comet 3I Atlas

Astronomers utilizing NASA's Hubble Space Telescope have captured the sharpest images yet of the interstellar comet 3I Atlas, revealing a solid icy nucleus estimated to measure between 320 meters and 5.6 kilometers in diameter. This comet, traveling at a staggering 209,000 kilometers per hour, is believed to have been journeying through interstellar space for approximately 7 billion years. Observations from multiple telescopes are enhancing our understanding of this ancient visitor, including its size, chemical makeup, and physical properties. With a dust plume and tail reminiscent of solar system comets, 3I Atlas offers a unique glimpse into the history of our galaxy as it approaches the sun.

Earth's Position in a Cosmic Void

A new hypothesis suggests that Earth and the Milky Way may reside in a vast cosmic void rather than along a filament of the universe's cosmic web. This idea could help resolve the Hubble tension, a discrepancy in the rate of the universe's expansion. The study, presented at the Royal Astronomical Society's National Astronomy Conference, posits that our galaxy might be near the center of a local void, influencing the observed expansion rate of the universe. This intriguing concept challenges existing cosmological models and could reshape our understanding of cosmic structure.

Safe Return of SpaceX Crew 10

After five months aboard the International Space Station, SpaceX Crew 10 has safely returned to Earth. Their Dragon capsule splashed down in the North Pacific Ocean, marking the end of a mission that contributed to over 200 scientific experiments, ranging from plant growth studies to the effects of microgravity on human physiology. The crew's successful return paves the way for their replacements, Crew 11, to continue vital research in low Earth orbit.

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✍️ Episode References

Astrophysical Journal Letters

https://iopscience.iop.org/journal/2041-8205 (https://iopscience.iop.org/journal/2041-8205)

Royal Astronomical Society

https://ras.ac.uk/ (https://ras.ac.uk/)

NASA's Hubble Space Telescope

https://www.nasa.gov/mission_pages/hubble/main/index.html (https://www.nasa.gov/mission_pages/hubble/main/index.html)

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