Knowridge2 天
How aliens might detect Earth: A new study on our signals to space
The results show that the most detectable signals from Earth are radio waves, particularly from planetary radar emissions, ...
Astronomers have spied an asteroid that may be heading for Earth: What we know so far
On 27 December last year, astronomers using the ATLAS survey telescope in Chile discovered a small asteroid moving away from ...
Scientists Found Mysterious Sources of ‘Killer Electrons’ 100,000 Miles Away from Earth
Understanding chorus waves is vital, as they create fast-moving, highly energetic electrons (known as killer electrons) that ...
Could aliens spot humans on Earth? These 12 signs might reveal human life from 12,000 ...
SETI scientists suggest that extraterrestrial civilizations could detect Earth through 'technosignatures' like planetary ...
Two Grand Canyon-size valleys on the far side of the moon formed within 10 minutes ...
Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...
gadgets3608 天
Chorus Waves Found Far From Earth Raise Concerns for Space Exploration
Chorus waves detected at 100,000 miles challenge magnetosphere NASA's satellites reveal risks these waves pose to spacecraft Findings call for improved solar plasma monitoring to ensure mission ...
There's a small chance an asteroid could hit Earth within the next decade, says NASA
A large asteroid could be heading toward Earth within the next decade, and there's a small chance it could strike the planet, according to NASA.
Aliens could spot humans on Earth by clocking 12 signs – and top of the list exposes us ...
ALIENS could discover humans on Earth by spotting one of 12 signs, scientists say. Topping the list is a clue that could be ...
Digital Camera World on MSN14 天
NASA photographs the rare occurrence of the moon crossing the face of the Earth from a ...
Sitting between the Earth and the Sun, DSCOVR’s primary mission is to monitor real-time solar winds for the National Oceanic ...
An Asteroid Has a 1-in-77 Chance of Hitting Earth. Here's What It Would Do
On 27 December last year, astronomers using the ATLAS survey telescope in Chile discovered a small asteroid moving away from ...