The world in grains of interstellar dust
Understanding how dust grains form in interstellar gas could offer significant insights to astronomers and help materials scientists develop useful nanoparticles.
Understanding how dust grains form in interstellar gas could offer significant insights to astronomers and help materials scientists develop useful nanoparticles.
Planetary Sciences
Jan 13, 2023
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68
While the National Science Foundation's Karl G. Jansky Very Large Array (VLA) and the Atacama Large Millimeter/submillimeter Array (ALMA) frequently reveal important new facts about objects far beyond our own Milky Way Galaxy—at ...
Astronomy
Dec 13, 2022
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16
Plate tectonics represents a defining framework of modern geoscience, accounting for large-scale features on Earth's surface, such as mountains and valleys, as well as the processes that shape them, like volcanoes and earthquakes. ...
Space Exploration
Nov 29, 2022
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290
The largest paper ever published on radar observations of near-Earth asteroids has been released, compiling years' worth of data from the Arecibo Observatory in Puerto Rico.
Planetary Sciences
Oct 26, 2022
1
246
The cocktail of chemicals that make up the frozen surfaces on two of Jupiter's largest moons are revealed in the most detailed images ever taken of them by a telescope on Earth.
Planetary Sciences
Oct 10, 2022
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547
When the Chelyabinsk fireball exploded across Russian skies in 2013, it littered Earth with a relatively uncommon type of meteorite. What makes the Chelyabinsk meteorites and others like them special is their dark veins, ...
Astronomy
Oct 4, 2022
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130
Compared with Earth, the surfaces of most other objects in the solar system appear largely static. Planetary scientists have long believed that impacts from space debris are the principal source of change on these surfaces ...
Planetary Sciences
Sep 28, 2022
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149
The exploration era for the new James Webb Space Telescope (JWST) is getting hot—volcanically hot.
Astronomy
Sep 27, 2022
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270
Bet the dinosaurs wish they'd thought of this.
Planetary Sciences
Sep 23, 2022
22
1695
The weight and grinding movement of glaciers has carved distinctive valleys and fjords into Earth's surface. Because Mars lacks similar landscapes, researchers believed ancient ice masses on the Red Planet must have been ...
Astrobiology
Sep 7, 2022
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371