Mushballs—giant, slushy hailstones made from a mixture of ammonia and water—may be responsible for an atmospheric anomaly on Neptune and Uranus that has been puzzling scientists. A study presented by Tristan Guillot at ...
Planetary Sciences
Sep 16, 2021
0
298
The Kuiper Belt is a disk of small icy bodies, thought to be remnants of the early Solar System, that circles the Sun from the orbit of Neptune (about 30 astronomical units, AU, from the Sun) to about 50 AU. KBOs orbit at ...
Astronomy
Sep 7, 2021
0
432
Uranus and Neptune both have a completely skewed magnetic field, perhaps due to the planets' special inner structures. But new experiments by ETH Zurich researchers now show that the mystery remains unsolved.
Astronomy
Mar 31, 2021
0
1254
A team of astronomers, including associate professor Chad Trujillo of Northern Arizona University's Department of Astronomy and Planetary Science, have confirmed a planetoid that is almost four times farther from the Sun ...
Astronomy
Feb 10, 2021
3
14134
An international team of scientists recently measured the spectrum of the atmosphere of a rare hot Neptune exoplanet, whose discovery by NASA's Transiting Exoplanet Survey Satellite (TESS) was announced just last month.
Astronomy
Oct 26, 2020
0
67
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
Far-flung Uranus and Neptune—the ice giants of our solar system—are as mysterious as they are distant. Soon after its launch in 2021, NASA's James Webb Space Telescope will change that by unlocking secrets of the atmospheres ...
Astronomy
Feb 28, 2020
16
811
In the coming years, NASA has some bold plans to build on the success of the New Horizons mission. Not only did this spacecraft make history by conducting the first-ever flyby of Pluto in 2015, it has since followed up on ...
Space Exploration
Apr 17, 2019
0
27
Images taken by the Hubble Space Telescope document the formation of a Great Dark Spot on Neptune for the first time, report researchers in a new study.
Astronomy
Mar 25, 2019
2
1615
Neptune's newest and tiniest moon is probably an ancient piece of a much larger moon orbiting unusually close.
Space Exploration
Feb 20, 2019
1
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