The Blog
Space
Daily facts about planets, the Sun, the Moon and everything beyond.
Space
Jupiter’s Day Lasts About Ten Hours
Jupiter, the largest planet, has the shortest day in the solar system at just under 10 hours.
Space
Saturn Is Less Dense Than Water
Saturn's average density is about 0.69 grams per cubic centimeter, less than that of water.
Space
Sunsets on Mars Are Blue
At sunset on Mars, the sky near the Sun turns blue.
Space
A Day on Venus Is Longer Than Its Year
Venus takes about 243 Earth days to spin once, but only about 225 Earth days to go around the Sun.