Why hasn’t gravity rounded off Miranda’s jagged surface?
Asked by Tony Huntingdon. Uranus’ moon, Miranda, is too small for gravity to have rounded off the jagged surface. It is believed that Miranda is an ice moon, with 1,000 times less mass than …
Astronomers watch Io’s atmosphere collapse during a Jupiter eclipse
Eclipse occurs 2 hours of every Io day (1.7 Earth days). In full eclipse, the atmosphere effectively collapses as most of the sulphur dioxide gas settles as frost on the moon’s surface. The …
Enceladus’ ‘fountains’ power up farther from Saturn - All About …
The observation has led to a surprising new clue about the remarkable geologic activity on Enceladus: It appears that at least some of the narrow jets that erupt from the moon’s surface …
Barton: “The Moon is a continent-sized area begging to be explored”
The Moon is a continent-sized area begging to be explored and once reliable and cost-effective transportation systems exist to access its surface, there will be countless people wanting to go …
Wrinkles on the Moon has revealed its history of geological activity
2019年5月14日 · Taken by NASA’s Lunar Reconnaissance Orbiter Camera (LROC), the images reveal “wrinkle ridges” – curved hills and shallow trenches created by a lunar surface that is …
NASA creates a clever “CGI Moon kit” animation
2019年9月9日 · The light source over 150 million kilometres (93 million) miles away and the entire surface must also be accurately mapped topographically down to a level of 30 metres (100 …
The Martian moon Phobos reveals its colourful layers while in a full ...
2019年5月13日 · This full moon view is better for studying material composition, whereas half-moon views are better for looking at surface textures. “With the half-moon views, we could see …
Why is Iapetus walnut-shaped? - All About Space
Take a look at Saturn’s third-largest moon Iapetus. The first thing that you’ll probably notice is that the ringed-planet looks like an oversized walnut. What’s causing it to have this appearance is …
Here’s where India’s Chandrayaan-2 will land near the Moon’s …
2019年8月20日 · On a grid of the Moon’s surface, it would fall at 70.9 degrees south latitude and 22.7 degrees east longitude. It’s about 600 kilometres (375 miles) from the south pole. And it’s …
Water on the Moon shifts around during the day
2019年3月11日 · The change in surface temperature throughout the dayside on the lunar surface can cause water on the surface to move location comments Data from the SwRI-led LAMP …