Planets
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- Planets
Defining planethood
Did Pluto deserve to be demoted from the rank of planet in the solar system?
- Planets
Strange Neptune
From giant storms and icy geysers to tilted orbits and weird spins, Neptune and its moons have many surprising features.
- Planets
A star’s belt of dust and rocks
Astronomers have obtained hints of a dusty asteroid belt around a nearby star.
- Planets
Back to the moon
NASA unveiled its plans for establishing a base on the moon by the year 2024.
- Space
Dwarf planet discord
A dwarf planet at the fringes of the solar system finally gets an official name.
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- Planets
Pluto and the plutons
A new definition would raise the number of planets in the solar system from 9 to 12.
- Planets
Lakes on Titan
Saturn's giant moon Titan appears to be sprinkled with lakes of liquid methane.
- Planets
The Way a Comet Crumbles
Astronomers are getting a close look at a comet that's falling apart as it nears the sun.
- Planets
Xena’s Mysterious Sparkle
Orbiting beyond Pluto, the recently discovered 10th planet reflects a lot of light.
- Planets
Saturn’s Strangely Warm Moon
Saturn's mysterious moon Enceladus may have liquid water close enough to its surface to produce giant geysers.
