Astronomy
Orbit of Mercury
The orbit of Mercury is the most eccentric of the planets in our Solar System. The planet has an orbital…
Rotation of Mercury
The rotation of Mercury is a little strange to Earth bound creatures. It rotates on its axis very slowly compared…
New Type of White Dwarf Stars Discovered
Most of the stars in the universe will end their lives as white dwarfs, the class of star that’s just…
What’s Up – The Weekend SkyWatcher’s Forecast – May 2-4, 2008
Greetings, fellow SkyWatchers! Are you ready for a great dark sky weekend? Then it's time to walk into the galaxy…
Composition of Mercury
Mercury is a terrestrial planet, like like all of the 4 inner planets: Mercury, Venus, Earth and Mars. It's the…
Surface of Mercury
The surface of Mercury is marred by an impressive number of craters. The cratering is deeper than on most terrestrial…
Symbol for Pluto
The symbols of the planets, Moon and Sun are used in both astronomy and astrology. The symbol for Pluto is…
What Color is Mercury?
Unlike all of the other planets in the Solar System, Mercury is just bare rock. It does have a tenuous…
Discovery of Planet Mercury
Ancient people have known about the planets for millennia. It was only in the last few hundred years that new…
Pictures of Mercury
We can't just talk about Mercury. Sometimes you've just got to see it. Before NASA's MESSENGER spacecraft, there weren't a…