Earth's moon - New Scientist
The moon doesn’t have a thick atmosphere, its gravity is about 17 per cent that of Earth’s, and its temperatures swing from a blistering 127°C in the sunlight to a frigid 173°C in the dark.
Earth has acquired a brand new moon that's about the size of a car
2020年2月26日 · Earth might have a tiny new moon. On 19 February, astronomers at the Catalina Sky Survey in Arizona spotted a dim object moving quickly across the sky. Over the next few days, researchers at six ...
How many moons does Earth have? - New Scientist
The moon is Earth’s only permanent natural satellite, but other objects could be considered honorary moons. ... When Earth first formed, around 4.5 billion years ago, it had no moons, but that ...
Science with Sam: What would happen if there was no moon?
2021年6月8日 · The prevailing theory of the moon’s formation suggests that around 4.5 billion years ago, a Mars-sized boulder called Theia slammed into Earth, vaporising much, if not all of it, flinging out ...
Slicing the moon in half would be disastrous for Earth – but beautiful
2023年10月10日 · The consequences of cracking the moon open would be fairly destructive overall. It could create a fiery rain of lunar fragments with the potential to end life on Earth, and the moon’s influence ...
How the stunning Earthrise became the world’s most ... - New …
2018年12月18日 · On 24 December 1968, Apollo 8 completed the first circumnavigation of the moon by humans. As it emerged from the dark side, Earth crept over the lunar horizon. It was the first time anybody had ...
Earth's wild ride: Our voyage through the Milky Way
2011年11月30日 · The moon could again tell us Earth’s tale. Up there, alien dust would have settled down to mix with the lunar soil. It would have a distinctive chemical signature, with high levels of uranium ...
Why moon missions in 2024 could reveal both our history and our …
2024年1月9日 · Several moon missions are planned for 2024, including some that will attempt to mine for ice on the moon and test out new lunar rovers – and they can teach us about Earth’s history By Leah Crane
Launching a huge dust cloud from the moon could ease global …
2023年2月8日 · Launching a million tonnes of moon dust around Earth could dim sunlight across our planet by 1.8 per cent. This would reduce the global temperature, but whether it would be worth the resources ...
Earth may have a pair of 'ghost moons' made of dust trapped in …
2018年10月29日 · The Earth-moon system has a set of five gravitational balance points, where the gravitational forces from Earth and the moon balance out. At these spots, called Lagrange points, objects can get ...