Asteroid

 

Astronomy Picture of the Day: A Rainbow Geminid Meteor

Meteors can be colorful. While the human eye usually cannot discern many colors, cameras often can.

Astronomy Picture of the Day: Geminids and Friends

From a radiant in the constellation of the Twins, the annual Geminid meteor shower rained down on our fair planet this week.

Astronomy Picture of the Day: 3D Bennu

Put on your red/blue glasses and float next to asteroid 101955 Bennu.

The Conjunction of the 46p/wirtanen comet, the hyades cluster and the Pleiades cluster


Astronomy Picture of the Day: Phobos: Doomed Moon of Mars

This moon is doomed. Mars, the red planet named for the Roman god of war, has two tiny moons, Phobos and Deimos, whose names are derived from the Greek for Fear and Panic.

Astronomy Picture of the Day: Good Morning Leonid

On November 17, just an hour before sunrise, this bright and colorful meteor flashed through clear predawn skies.

Astronomy Picture of the Day: The Unexpected Trajectory of Interstellar Asteroid 'Oumuamua

Why is 'Oumuamua differing from its expected trajectory? Last year, 1I/2017 U1 'Oumuamua became the first known asteroid from interstellar space to pass through our Solar System.

Astronomy Picture of the Day: Rotating Asteroid Bennu from OSIRIS-REx

Could this close-by asteroid ever hit the Earth? Eventually yes -- but probably not for a very long time, even though the asteroid is expected to pass inside the orbit of the Moon next century.

Astronomy Picture of the Day: Hayabusa2 Ascends from Asteroid Ryugu

Will spacecraft Hayabusa2 be able to land safely on asteroid Ryugu?

Astronomy Picture of the Day: Rover 1A Hops on Asteroid Ryugu

Two small robots have begun hopping around the surface of asteroid Ryugu.

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