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Neptune is the eighth planet from the sun in our solar system. This blue gas giant is far larger than Earth, at more than 17 times Earth’s mass and nearly 58 times Earth’s volume, according to NASA. Neptune’s rocky core is surrounded by a slushy fluid mix of water, ammonia and methane ice. Astronomer Galileo … Read more
Uranus and Neptune are the most twin-like of all the planets in the Solar System. They are almost the same size and mass, have similar compositions and structures, even similar rotation rates. Which makes one glaring difference quite perplexing. Neptune is a fetching shade of azure, with visible swirling storms. Uranus is more of … Read more
Uranus is pale blue in colour while Neptune is a deeper shade of blue, and an atmospheric model can explain the difference Space 28 January 2022 By Will Gater Uranus (left) and Neptune (right) imaged by Voyager 2 NASA/JPL-Caltech Uranus and Neptune are different shades of blue, and we may finally know why. In visible-light … Read more
By Becca Caddy Jennie Edwards BEFORE heading into the depths of interstellar space, the Voyager 2 probe flew by the giant icy worlds on the edge of our solar system, giving us our first ever close-up of Uranus in 1986 and Neptune in 1989. These passes were fleeting, but the data the spacecraft collected about … Read more
New Year’s Day comes around once every 47.5 hours on the roughly Neptune-sized exoplanet TOI 674b, which makes it something of a rare creature. In spite of years of hunting, surprisingly few middle-sized gas giants have ever been seen with orbits shorter than a few days in length, creating what astronomers refer to as a … Read more
This illustration shows the diamond rain on Neptune. (Image credit: Greg Stewart/SLAC National Accelerator Laboratory) The ice giants Uranus and Neptune don’t get nearly enough press; all the attention goes to their larger siblings, mighty Jupiter and magnificent Saturn. At first glance, Uranus and Neptune are just bland, boring balls of uninteresting molecules. But hiding … Read more
Every year, Hubble takes a little time to turn its electronic eyes closer to home. Rather than staring into vast distances across space and time, it focuses on our very own Solar System; specifically, the heavyweight planets that lurk out past the asteroid belt – Jupiter, Saturn, Uranus, and Neptune. That’s not because they’re … Read more