Saturn's moon Mimas could have grown a huge underground ocean as its orbital eccentricity decreased to its present value and caused its icy shell to melt and thin.
Planetary Sciences
Apr 15, 2024
0
90
Our familiar, warm, yellow sun is a relative rarity in the Milky Way. By far the most common stars are considerably smaller and cooler, sporting just half the mass of our sun at most. Billions of planets orbit these common ...
Planetary Sciences
May 29, 2023
7
811
Mars's two moons, Phobos and Deimos, have puzzled researchers since their discovery in 1877. They are very small: Phobos's diameter of 22 kilometers is 160 times smaller than that of our moon, and Deimos is even smaller, ...
Astronomy
Feb 23, 2021
7
473
Astronomers have discovered a planet three times the mass of Jupiter that travels on a long, egg-shaped path around its star. If this planet were somehow placed into our own solar system, it would swing from within our asteroid ...
Astronomy
Aug 27, 2019
1
1110
A team made up almost entirely of current and former Carnegie scientists has discovered a highly unusual planetary system comprised of a Sun-like star, a dwarf star, and an enormous planet sandwiched in between.
Astronomy
Dec 16, 2015
2
201
Astrophysicists from the Complutense University of Madrid have confirmed that Crantor, a large asteroid with a diameter of 70 km has an orbit similar to that of Uranus and takes the same amount of time to orbit the Sun. Researchers ...
Astronomy
Jun 18, 2013
10
0
Until recently, astronomers were highly skeptical of whether or not planets should be possible in multiple star systems. It was expected that the constantly varying gravitational force would eventually tug the planet out ...
Astronomy
Jul 14, 2011
4
0
Venus has been garnering a lot of attention lately, though primarily in the scientific community, as the last Hollywood movie about the planet was released in the 1960s. This is in part due to its dramatic difference from ...
Astronomy
Aug 24, 2020
0
58
Of the roughly 4,300 exoplanets confirmed to date, about ten percent of them are classified as "hot Jupiters." These are planets with masses between about 0.4 and 12 Jupiter-masses and orbital periods less than about 110 ...
Astronomy
May 15, 2020
0
8
NASA's Transiting Exoplanet Survey Satellite (TESS) has found three confirmed exoplanets, or worlds beyond our solar system, in its first three months of observations.
Astronomy
Jan 8, 2019
0
14
