Stars are gravitationally fastened to their galaxies and move in concert with their surroundings. But sometimes, something breaks the bond. If a star gets too close to a supermassive black hole, for example, the black hole ...
Planetary Sciences
Nov 27, 2023
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The James Webb Space Telescope observed the exoplanet WASP-80 b as it passed in front of and behind its host star, revealing spectra indicative of an atmosphere containing methane gas and water vapor. While water vapor has ...
Planetary Sciences
Nov 22, 2023
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472
By discovering two interstellar objects (ISOs), we know that asteroids and comets from other star systems pass through the solar system from time to time. By inference, some of these must have crashed into the moon, creating ...
Planetary Sciences
Nov 10, 2023
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In 1916, famed theoretical physicist Albert Einstein put the finishing touches on his theory of general relativity, a geometric theory for how gravity alters the curvature of spacetime. The revolutionary theory remains foundational ...
Astronomy
Nov 6, 2023
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A system of seven sweltering planets has been revealed by continued study of data from NASA's retired Kepler space telescope: Each one is bathed in more radiant heat from their host star per area than any planet in our solar ...
Astronomy
Nov 3, 2023
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254
A team of astronomers and astrophysicists affiliated with several institutions in China, working with one colleague from Centro Ricerche Enrico Fermi, in Italy, and another from the University of Utah, in the U.S., has found ...
With thousands of known exoplanets and tens of thousands likely to be discovered in the coming decades, it could be only a matter of time before we discover a planet with life. The trick is proving it. So far the focus has ...
Astrobiology
Oct 31, 2023
0
33
Most of the planets in the universe orbit a star. They are part of a system of planets, similar to our own solar system. But a few planets drift alone in the cosmos. For whatever reason, be it a near collision or slow gravitational ...
Planetary Sciences
Oct 30, 2023
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44
Airlines began to evacuate tourists from Mexico's beachside city of Acapulco on Friday after a scale-topping Category 5 hurricane left a trail of destruction and at least 27 people dead, authorities said.
Environment
Oct 27, 2023
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1
Stars escape from their birth place and eventually become dispersed across the galaxy. This is an important process in galactic evolution. Theoretical studies suggest two possible reasons why stars escape. First, stars may ...
Astronomy
Oct 27, 2023
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