Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered an interesting extrasolar planetary system consisting of a K-dwarf host star, a Jupiter-sized planet and a white ...
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
We live in a mature solar system—eight planets and several dwarf planets (like Pluto) have formed, the latter within the rock- and debris-filled region known as the Kuiper Belt. If we could turn back time, what would we ...
Astronomy
Dec 17, 2020
1
2612
Stellar systems like our own form inside interstellar clouds of gas and dust that collapse producing young stars surrounded by protoplanetary disks. Planets form within these protoplanetary disks, leaving clear gaps, which ...
Astronomy
Nov 23, 2020
5
484
Most known planets orbit a star. These planets, including Earth, benefit from the star's warmth and light. And it is the light emitted from these stars which makes it possible for us to see them. But there are also "invisible" ...
Astronomy
Nov 9, 2020
1
33
A new study using data from NASA's Chandra X-ray Observatory and Hubble Space Telescope gives new insight into an important question: how habitable are planets that orbit the most common type of stars in the Galaxy? The target ...
Astronomy
Oct 30, 2020
4
436
Beyond the orbit of Neptune, a diverse collection of thousands of dwarf planets and other relatively small objects dwells in a region called the Kuiper Belt. These often-pristine leftovers from our solar system's days of ...
Astronomy
Oct 29, 2020
2
237
In 2015, the New Horizons space probe discovered spectacular snowcapped mountains on Pluto, which are strikingly similar to mountains on Earth. Such a landscape had never before been observed elsewhere in the Solar System. ...
Space Exploration
Oct 13, 2020
0
426
When stars like our sun die, all that remains is an exposed core—a white dwarf. A planet orbiting a white dwarf presents a promising opportunity to determine if life can survive the death of its star, according to Cornell ...
Astrobiology
Sep 16, 2020
4
392
Thanks to a bevy of telescopes in space and on Earth—and even a pair of amateur astronomers in Arizona—a University of Wisconsin-Madison astronomer and his colleagues have discovered a Jupiter-sized planet orbiting at ...
Astronomy
Sep 16, 2020
1
193
