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The death of huge stars, like Betelgeuse. These stars will eventually supernova and become neutron stars.
Nebulae are huge, diffuse clouds of gas and dust in intergalactic space. The gas in nebulae (the plural of nebula) is mostly hydrogen.
Learn about the Earth with these fun activities and web pages.
Learn about the inner composition of the planet Jupiter.
Jupiter has faint, dark, narrow rings composed of tiny rock fragments and dust. They do not contain ice, like Saturn’s rings.
Jupiter has four large moons and dozens of small ones. Galileo first discovered the four largest moons of Jupiter, Io, Europa, Ganymede, and Callisto in 1610, using a 20-power telescope; these moons are known as the Galilean moons.
Jupiter is the largest planet in our solar system. Learn about it here!
Links to various pages and activities about the planet Jupiter.
Learn various facts about Mars with this fact sheet!
Find various activities and pages about the planet Mars here.
Learn about the atmosphere of Neptune, the 8th planet in our Solar System.
Learn about Neptune’s planetary structure underneath the surface of the planet.
Information on Neptune’s moons.
Information on Neptune’s rings
Activities and pages about the planet Neptune.
Learn about the planetary and atmospheric composition of the sixth planet, Saturn.
Learn about Saturn’s beautiful rings that orbit it.
Learn about the inner planetary composition of the planet, Uranus.
Uranus, the seventh planet from to the sun in our solar system, has 5 large moons and many small ones.
Learn about the rings of our seventh planet, Uranus.