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Astronomy
1 天
‘Dark comets’ could reveal how Earth got its oceans
The water that makes up the oceans acted as a key ingredient for the development of life on Earth. However, scientists still ...
Astronomy
21 小时
The Sky This Week from December 27 to January 3: The Quadrantid meteor shower peaks
The New Year kicks off with a stunning meteor shower under perfect conditions and plenty of deep-sky objects on offer in the ...
Astronomy
4 天
How do spacecraft avoid collisions in the asteroid belt?
The main belt located between the orbits of Mars and Jupiter is so sparsely populated that spacecraft pass through as though ...
Astronomy
4 天
Smallest main-belt asteroids ever detected found hiding in JWST data
With the James Webb Space Telescope and updated processing techniques, researchers have detected asteroids just tens of ...
Astronomy
7 天
The Sky This Week from December 20 to 27: Welcome the winter solstice
The Sun reaches its southernmost point, the Ursid meteor shower peaks, and the Christmas Tree Cluster glitters in the sky ...
Astronomy
4 天
You’re almost certainly not being visited by aliens
Anyone tempted to ascribe the nighttime sightings of aircraft to alien intelligence ought to be dissuaded by the vast scale ...
Astronomy
4 天
Earth’s gravity gave the Moon an early facelift
Heat from tidal forces remelted the Moon’s crust, says new reesarch, which may explain why the Moon is older than some ...
Astronomy
7 天
‘Blue straggler’ likely born from a collision of stars
A strange star has revealed to astronomers a mysterious past — one that involves the merger of two ancient suns.
Astronomy
6 天
Want to find a black hole? Pick up a rock
Quickly moving primordial black holes might leave tiny holes in regular matter as they tunnel through, leaving traces we ...
Astronomy
9 天
Explore the Big Dipper this winter
The seven stars that make up this famous asterism are part of Ursa Major the Great Bear. And they offer a lot more than meets ...
Astronomy
3 天
FAA approves SpaceX for more Starship test missions
The regulator issued a modified launch and reentry license that allows launching multiple flights under the vehicle’s Flight ...
Astronomy
4 天
Mars Express captures the beauty of a martian frostscape
Although these frosty fields look like a picturesque winter wonderland blanketed in snow, this ice is actually composed of frozen carbon dioxide over the southern Australe Scopuli region of Mars.
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