If we looked at Earth from outer space, it would appear that our blue-and-green planet has abundant water. But of all that blue, less than 3% is freshwater, and less than 1% of that is available for use. More than a billion ...
Ecology
Mar 16, 2022
1
33
Astronomers at the University of Hawaiʻi Institute for Astronomy (IfA) are part of a team that recently discovered three planets orbiting dangerously close to stars nearing the ends of their lives.
Astronomy
Jan 13, 2022
0
243
Gas giants are made of a massive solid core surrounded by an even larger mass of helium and hydrogen. But even though these planets are quite common in the Universe, scientists still don't fully understand how they form. ...
Astronomy
Jan 12, 2022
0
211
The world's first 3D simulation simultaneously considering dust motion and growth in a disk around a young star has shown that large dust from the central region can be entrained by and then ejected by gas outflows, and eventually ...
Astronomy
Dec 14, 2021
0
143
UCLA astronomers have identified 366 new exoplanets, thanks in large part to an algorithm developed by a UCLA postdoctoral scholar. Among their most noteworthy findings is a planetary system that comprises a star and at least ...
Astronomy
Nov 23, 2021
0
454
Hot Jupiters—giant gas planets that race around their host stars in extremely tight orbits—have become a little bit less mysterious thanks to a new study combining theoretical modeling with observations by the Hubble ...
Astronomy
Oct 21, 2021
0
224
A team of space scientists has published a paper in Annual Review of Astronomy and Astrophysics suggesting that there may be an Earth- or Mars-sized planet orbiting beyond Neptune. They further suggest that simulations of ...
UNLV researchers and colleagues may have identified the first known planet to orbit three stars.
Astronomy
Oct 2, 2021
4
7149
Planets form as the dust grains in a protoplanetary disk grow into pebbles and then finally into planets. Because small dust grains interact with gas (via the drag it imparts), the gas in protoplanetary disks influences the ...
Astronomy
Aug 9, 2021
6
1134
There's been a breakthrough in the case of the missing planets.
Astronomy
May 17, 2021
2
156
