Planet Tours
Planning to take a vacation soon? Visit Phobos! Small and cozy, Phobos orbits the fourth planet from the Sun in […]
Planning to take a vacation soon? Visit Phobos! Small and cozy, Phobos orbits the fourth planet from the Sun in […]
Without being informed of the expected product, the students will make a Play-doh model of the Earth-Moon system, scaled to
While not all of the planets rotate on their individual axes in the same direction — Uranus and Venus both
Do all planets orbit the Sun in the same direction? Read More »
In the winter of 1504, astronomer Nicolaus Copernicus watched as the planets Mars, Jupiter, and Saturn grouped close together in
Yet many remained, and are still with us today: a small planet (and maybe more than one), icy planetesimals that
The solar system’s outer realm contains four giant planets. The largest is Jupiter, at about 11 times Earth’s diameter. Despite
The structures of the terrestrial planets are similar. Each planet has a layered structure that developed through a process called
That is a tricky question, which astronomers didn’t answer correctly until fairly recently. For a while, they thought the biggest
Maps of the stars are nearly as ancient as human culture itself; inscriptions describing the positions of stars and constellations
The farthest known object orbiting our Sun is a ball of ice and rock unofficially called FarFarOut, which lies about