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13 分钟
Which comets will be visible in 2025? Here's what you can see in Arizona
At least eight comets will be visible in the Northern Hemisphere in 2025. Here's where and when to look and which ones you ...
11 天
Asteroids, Comets, and Meteors: What Makes Each Celestial Object Unique
Asteroids, comets, and meteors are all small solar system objects, but they differ in composition and behaviour.
1 天
on MSN
NASA warning! Blue whale-sized asteroid to fly by Earth at 27,768 km/h today; safe flyby ...
NASA has announced that asteroid 2019 JN2 will safely fly past Earth on November 30, 2024. Despite its proximity of 3.59 ...
Sciencing on MSN
5 天
When The Devil Comet Has Been Closest To Earth And What Inspired Its Name
Quite a few comets pass through Earth's orbits every year, but the so-called devil comet earned a rather unique nickname.
7 天
Asteroids pass by each day. Luckily, large asteroid crashes are uncommon.
Every year, over 3,000 near-Earth asteroids (NEAs) are found by NASA's survey telescopes. With the use of more powerful and ...
11 天
Asteroid Apophis: New Mission To Visit Asteroid Coming Close To Earth In 2029
An asteroid the size of Manhattan’s Empire State Building will safely pass on April 13, 2029, in a once every 5,000 to 10,000 ...
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