Seven Earth-sized planets orbit the star TRAPPIST-1 in near-perfect harmony, and U.S. and European researchers have used that harmony to determine how much physical abuse the planets could have withstood in their infancy.
Astronomy
Nov 25, 2021
3
471
"Super-Puffs" may sound like a new breakfast cereal. But it's actually the nickname for a unique and rare class of young exoplanets that have the density of cotton candy. Nothing like them exists in our solar system.
Astronomy
Dec 19, 2019
9
1329
Astronomers have found a system of seven Earth-sized planets just 40 light-years away. They were detected as they passed in front of their parent star, the dwarf star TRAPPIST-1. Three of them lie in the habitable zone and ...
Astronomy
Feb 22, 2017
19
4722
In 2019, astronomers spotted something incredible in our backyard: a rogue comet from another star system. Named Borisov, the icy snowball traveled 110,000 miles per hour and marked the first and only interstellar comet ever ...
Astronomy
Aug 23, 2021
7
1865
The precursor of our planet, the proto-Earth, formed within a time span of approximately five million years, shows a new study from the Centre for Star and Planet Formation (StarPlan) at the Globe Institute at the University ...
Earth Sciences
Feb 20, 2020
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4312
Earth. A new study shows other stars could have as many as seven Earth-like planets in the absence of a gas giant like Jupiter.
Astronomy
Jul 31, 2020
12
2218
In the weeks following its launch in early 2006, when NASA's New Horizons was still close to home, it took just minutes to transmit a command to the spacecraft, and hear back that the onboard computer received and was ready ...
Space Exploration
Apr 19, 2021
2
13768
After more than 16 years studying the universe in infrared light, revealing new wonders in our solar system, our galaxy and beyond, NASA's Spitzer Space Telescope's mission has come to an end.
Astronomy
Jan 31, 2020
0
945
We're always talking about Pluto, or Saturn or Mars. But nobody ever seems to talk about Jupiter any more. Why is that? I mean, it's the largest planet in the solar system. 318 times the mass of the Earth has got to count ...
Space Exploration
Apr 7, 2016
0
20
(Phys.org)—Space researchers James Vesper and Paul Mason with New Mexico State University have given a presentation at this year's American Astronomical Science meeting outlining the results of simulations they have been ...
