Earth Has Another Quasi-Satellite: The Asteroid Arjuna 2025 PN7
Earth has a new co-moving neighbour. It's a new member of the group of asteroids that follow Earth-like orbits and are called quasi-satellites. Together, they constitute an asteroid belt....
It’s rather strange to think about catching a planet in the act of being born given that the process takes millions of years but for the first time, astronomers have done just that! The evidence reveals a planet actively forming and feeding from its surrounding disk of gas and dust. The discovery of hydrogen emission from the protoplanet offers a new glimpse into the violent stages of planetary formation, revealing processes that shaped our own Solar System billions of years ago....
According to every experiment, the constants of nature appear to be constant....
There are plenty of theories about what dark matter is and how it might be gravitationally affecting the universe. However, proving those theories out is hard since it hardly ever interacts with anything, especially on “small” scales like galaxies. So when a research team claims to have found evidence for dark matter in our own galaxy, it's worth taking a look at how. A new paper from Dr. Surkanya Chakrabati and her lab at the University of Alabama at Huntsville (UAH) does just that. They found evidence for a dark matter “sub-halo” in the galactic neighborhood, by looking at signals...
Gaia Proves Our Skies Are Filled with Chains of Starry Gatherings Gaia Proves Our Skies Are Filled with Chains of Starry Gatherings https://www.esa.int/Science_Exploration/Space_Science/Gaia/Gaia_proves_our_skies_are_filled_with_chains_of_starry_gatherings...
Universe Today - Space & Astronomy News
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