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16 小时
on MSN
NASA Tracking Football Field-Sized Asteroid Approaching Earth Tomorrow
WB—is estimated to be between 240 and 525 feet across and will pass us at about twice the distance between the Earth and moon ...
Space.com
12 小时
Japan's priceless asteroid Ryugu sample got 'rapidly colonized' by Earth bacteria
"The fact that terrestrial microbes are the Earth's best colonizers means we can never completely discount terrestrial ...
Space on MSN
14 小时
OTD In Space - November 27: 1st Photo Of A Meteor
On November 27, 1885, an astronomer made the first known photograph of a meteor. The picture was taken by Austro-Hungarian ...
2 天
on MSN
As Earth says goodbye to 'mini-moon,' asteroid's possible lunar origin revealed
Earth is saying goodbye to an asteroid that has been a "mini-moon" of sorts since late September, when it joined the planet's ...
2 天
on MSN
Stadium-sized asteroid to pass Earth Tuesday — what do you need to know?
Lowell Observatory astronomer and asteroid expert Nick Moskovitz said we know little about this asteroid coming by so close ...
18 小时
Signs of Life in Asteroid Sample Turn Out to Be Something Embarrassing
Last year, researchers excitedly announced that they had found two organic compounds essential for living organisms in ...
Space on MSN
6 天
Geminid meteor shower is underway. Here's what to expect from one of the best meteor ...
One of the most reliable meteor showers to light up our night sky each year has begun!
4 天
Rare Asteroid Sample Contaminated by Microorganisms Despite Scientists’ Best Efforts
A chunk of rock collected from the asteroid Ryugu contains bacteria—but, unfortunately, it's not evidence of alien life.
2 天
on MSN
Earth bids farewell to 'mini moon' asteroid set for return visit in 2055
Earth is parting company with an asteroid that's been tagging along as a “mini moon" for the past two months. The harmless ...
3 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 ...
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