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18 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
20 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 ...
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 ...
8 天
Asteroid grains shed light on the outer solar system's origins
Tiny grains from a distant asteroid are revealing clues to the magnetic forces that shaped the far reaches of the solar ...
The Next Web
8 天
Apophis: a European space mission gets up close with an asteroid set to brush by Earth
A new European Space Agency mission is set to study asteroid Apophis to learn more about how we can handle asteroid threats ...
Singularity Hub
8 天
Europe Aims to Visit This Large Asteroid When It Brushes by Earth in 2029
A close flyby of an asteroid as large as Apophis happens only once every 5,000 to 10,000 years. Scientists plan to learn all they can.
Bits&Chips
10 天
Techno-optimism: 10 reasons to be optimistic about the future
Rather than being skeptical of technology and trying to slow down its adoption in society, we should do what we can to ...
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