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Organic compounds in asteroids formed in colder regions of space

Analysis of organic compounds - called polycyclic aromatic hydrocarbons (PAHs) - extracted from the Ryugu asteroid and Murchison meteorite has found that certain PAHs likely formed in the cold areas of space between stars rather than in hot regions near stars as was previously thought.

Dec 22nd, 2023

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Scientists measure the distance to stars by their music

A team of astronomers has used asteroseismology, or the study of stellar oscillations, to accurately measure the distance of stars from the Earth. Their research examined thousands of stars and checked the measurements taken during the Gaia mission to study the near Universe.

Dec 15th, 2023

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Giant doubts about giant exomoons

The extrasolar planets Kepler-1625b and Kepler-1708b are supposedly the home worlds of the first known exomoons. A new study now comes to a different conclusion.

Dec 8th, 2023

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Ancient stars made extraordinarily heavy elements

How heavy can an element be? Scientists have found that ancient stars were capable of producing elements with atomic masses greater than 260, heavier than any element on the periodic table found naturally on Earth. The finding deepens our understanding of element formation in stars.

Dec 8th, 2023

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Stellar winds regulate growth of galaxies

Galactic winds, observed in galaxies over 7 billion years old, play a crucial role in regulating their growth and star formation rate by facilitating matter exchange with their surroundings.

Dec 7th, 2023

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Tracking undetectable space junk

Colliding pieces of space debris emit electric signals that could help track small debris littering Earth's orbit, potentially saving satellites and spacecraft.

Dec 5th, 2023

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Can signs of life be detected from Saturn's frigid moon?

Researchers have demonstrated that amino acids within Enceladus' ice plumes can endure impact speeds up to 4.2 km/s, bolstering their detection in spacecraft sampling and supporting Enceladus as a key target in the search for extraterrestrial life.

Dec 5th, 2023

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