rotation

How Fast Does Venus Rotate?

Venus' orbit has some strange properties, which includes taking 243.025 days to rotate once, and the fact that it rotates…

6 years ago

Hubble Directly Measures Rotation of Cloudy ‘Super-Jupiter’

Astronomers use the Hubble Space Telescope to pin down the rotation rate of an exoplanet 170 light years from Earth…

6 years ago

How Long is a Day on Earth?

I'm going to ask you how long a day is on Earth, and you're going to get the haunting suspicion…

7 years ago

Is Phobos Doomed?

What fate awaits Phobos, one of the moons of Mars? “All these worlds are yours except Europa, attempt no landing…

8 years ago

Watch Pluto and Charon Engage in Their Orbital Dance

Now here's something I guarantee you've never seen before: a video of the dwarf planet Pluto and its largest moon…

8 years ago

Rosetta Watches Comet 67P Tumbling Through Space

This is really getting exciting! ESA's Rosetta spacecraft (and the piggybacked Philae lander) are in the home stretch to arrive at Comet…

8 years ago

This is the Moon, the Whole Moon and Nothing But the Moon

Take a look around the Moon... no, really, take a good look AROUND the Moon! This is a fantastic animation…

9 years ago

How Long is a Day on Mercury?

1/3 the distance from the Sun than Earth, it should be no surprise that a day on Mercury is a…

10 years ago

Moon Rotation

The rotation of the Moon is a strange situation. It takes the same amount of time for the Moon to…

13 years ago