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Astronomy
1 天
‘Dark comets’ could reveal how Earth got its oceans
Scientists still do not know where the water here on Earth came from. But two populations of so-called dark comets may tell ...
Astronomy
2 天
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
5 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
5 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
6 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
5 天
Mars Express captures the beauty of a martian frostscape
Mars Express spotted this scene using its High Resolution Stereo Camera (HRSC) during its 23,324th orbit of the Red Planet.
Astronomy
5 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
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 ...
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