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20 小时
This Is Where ‘Shooting Stars’ Really Come From — Scientists
New research reveals that 70% of meteorites that strike Earth originate from three young asteroid families in the main ...
RealClearMarkets
22 小时
Asteroid Mining: Science Fiction or Future Source of Raw Materials?
The majority of these asteroids are located within the asteroid belt between Mars and Jupiter. However, there are also ...
1 天
Why the US hasn't returned humans to the moon. The reasons are depressing.
The last time a human visited the moon was in December 1972 during NASA's Apollo 17 mission. Since then, there have been many ...
来自MSN
2 天
Near-Earth dwarf planet's surface is 90% covered by water
Astronomers have been curious about the makeup of Ceres, the largest object in the asteroid belt, ever since its discovery by ...
studyfinds
3 天
Scientists propose shocking new theory for origin of the Moon
For nearly 40 years, scientists have generally agreed that Earth's Moon formed from debris after a massive collision with our ...
Knowridge
4 天
Asteroid dust unveils the mysterious magnetic origins of our solar system
Tiny grains from the asteroid Ryugu are helping scientists uncover secrets about how the outer regions of our solar system ...
5 天
on MSN
1100-ft 'God of Chaos' Asteroid Apophis To Collide With Earth In 2029? Here's Everything ...
Asteroid Apophis, or "God of Chaos," will pass close to Earth on April 13, 2029. This rare encounter offers scientists a ...
6 天
NASA fires up its X-59 quiet supersonic jet engine for the first time
But NASA wants to show that faster-than-sound travel is possible without the annoyance of the boom, which is where its X-59 ...
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