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ScienceDaily: Space & Time News |
| Distant galaxies and the true nature of dark matter Posted: 11 Feb 2022 07:26 AM PST In conflict with the current prevailing theory used to describe the universe, a new study suggests the existence of a direct interaction between the elementary particles that make up the dark matter halo and those that make up ordinary matter. |
| Chemical history of the Milky Way revealed by new catalog of tens of millions of stars Posted: 11 Feb 2022 05:06 AM PST Researchers published a new sample catalog of more than 24 million stars that can be used to decipher the chemical history of elements in the Milky Way galaxy. |
| Planetary bodies observed for first time in 'habitable zone' of dead star Posted: 11 Feb 2022 05:06 AM PST A ring of planetary debris studded with moon-sized structures has been observed orbiting close to a white dwarf star, hinting at a nearby planet in the 'habitable zone' where water and life could exist, according to a new study. White dwarfs are glowing embers of stars that have burned through all their hydrogen fuel. Nearly all stars, including the Sun, will eventually become white dwarfs, but very little is known about their planetary systems. |
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