A University of Arizona-led research team has found bands and stripes on the brown dwarf closest to Earth, hinting at the processes churning the brown dwarf's atmosphere from within.
Astronomy
Jan 7, 2021
5
1673
Our galaxy may be teeming with rogue planets, gravitationally unbound to any star. An international team of scientists, led by Polish astronomers, has announced the discovery of the smallest Earth-sized free-floating planet ...
Astronomy
Oct 29, 2020
7
24599
Taking advantage of a total lunar eclipse, astronomers using NASA's Hubble Space Telescope have detected Earth's own brand of sunscreen—ozone—in our atmosphere. This method simulates how astronomers and astrobiology researchers ...
Astronomy
Aug 6, 2020
0
525
Among the more than 4,000 known exoplanets, KOI-456.04 is something special: less than twice the size of Earth, it orbits a sun-like star. And it does so with a star-planet distance that could permit planetary surface temperatures ...
Astronomy
Jun 4, 2020
0
426
Fritz Benedict has used data he took over two decades ago with Hubble Space Telescope to confirm the existence of another planet around the Sun's nearest neighbor, Proxima Centauri, and to pin down the planet's orbit and ...
Astronomy
Jun 2, 2020
1
1507
Three billion years ago, Earth was a very different place. The sun that shone on its oceans and continents was not as bright as it is today, and rather than the oxygen-rich atmosphere humans need to survive, methane played ...
Astronomy
May 4, 2020
1
145
In 2016, astronomers working for the European Southern Observatory (ESO) confirmed the existence of a terrestrial planet around Earth's closest stellar neighbor—Proxima Centauri. The discovery of this nearby extrasolar ...
Astronomy
Apr 20, 2020
0
54
From a massive disk of gas and dust rotating around the sun, the earth and the other seven planets of our solar system once developed alongside their moons. And the same must have happened, scientists believe, for the thousands ...
Astronomy
Apr 8, 2020
9
360
Within just 50 light-years from Earth, there are about 1,560 stars, likely orbited by several thousand planets. About a thousand of these extrasolar planets—known as exoplanets—may be rocky and have a composition similar ...
Astronomy
Nov 5, 2019
0
85
The combination of observations made with the CARMENES spectrograph on the 3.5m telescope at Calar Alto Observatory (Almería), and the HARPS-N spectrograph on the National Galileo Telescope (TNG) at the Roque de los Muchachos ...
Astronomy
Jun 11, 2019
0
13
