Saturn is the second biggest planet, but its also the lightest planet. If there was
a bathtub big enough to hold Saturn, it would float in the water.
More than 30
Titan is the largest moon of Saturn and the second largest moon in the entire
An asteroid is a chunk of rock and metal in outer space that is in orbit around the
Sun. Asteroids vary in size from just a few feet across to hundreds of miles in diameter.
Most asteroids are not round, but are lumpy and shaped like a potato. A
The moon's motion through our sky is similar to that of the sun, but different:
Like the sun, the moon rises in the east and sets in the west (with some
exceptions for observers in earth's extreme northern and southern regions).
Like the sun, t
What Is a Satellite?
A satellite is an object that moves around a larger object. Earth is a satellite because it moves
around the sun. The moon is a satellite because it moves around Earth. Earth and the moon are
called "natural" satellites.But usually wh
What Is an Orbit?
An orbit is a path. It's the way something goes around an object in space. The moon goes in orbit
around Earth. You're in orbit right now! That's because Earth is following an orbit all the way around
the sun. The International Space Sta
Like Jupiter and Saturn, Uranus is a gas giant. But Uranus is a little different. Unlike all
the other planets and most of the moons in our Solar System, Uranus spins on its side. It is
believed that long ago a very large object smash
A black hole is a place in space where gravity pulls so much that even light can not get out. The
gravity is so strong because matter has been squeezed into a tiny space. This can happen when a
star is dying.Because no light can get out, people can't see
What Is Robonaut?
What Does Robonaut Do?
NASA started to work on the Robonaut project in 1996. The newest one is called Robonaut 2, or R2.
Robonaut has a head, upper body, arms and hands. Robonaut's head has cameras. They work like
human eyes. The hands m
WHY ICE FLOATS
A substance floats if it is less dense, or has less mass per unit volume,
than other components in a mixture. For example, if you toss a
handful of rocks into a bucket of water, the rocks, which are dense
compared to the water, will sink.
3 March 2016
Because of this axial tilt, different parts of the Earth point towards or away from
the Sun at different times of the year.Summer in the Southern Hemisphere happens in
December, January, and February, when the
What are star and how are
Stars form from collapsing clouds of gas and
dust. As the cloud collapses, its density and
temperature increase. The temperature and
density are highest at the center of the cloud,
where a new star will eventuall