earth4 小时
"Super-Earth" found just 20 light-years away is our best chance so far to find alien life
HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...
Shillong Times1 天
Astronomers have spied an asteroid that may be heading for Earth; here’s 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 ...
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 Earth. Follow-up observations have revealed that the asteroid, 2024 YR4, is ...
Knowridge2 小时
Astronomers have spied an asteroid that may be heading for Earth
On 27 December last year, astronomers using the ATLAS survey telescope in Chile discovered a small asteroid moving away from ...
NASA scientists want to solve a mystery: Why did life "turn left?"
When NASA launched a spacecraft to an asteroid, scientists patiently waited for their chance to look at bits of the space ...