Create An Expanding Universe
Why Does the Moon Have Phases?
The Moon is the brightest object in the night sky when its whole face is showing. This only happens at full Moon. So why isn't it always a full Moon?
Why Does the Earth Have Tides?
The level of the sea rises and falls about 2 times each day. We call these changes tides. But what causes them?
Telescopes Quiz
Telescopes are used to magnify distant objects. They are a vital tool for astronomy. Over the last few hundred years, scientists and engineers have built bigger and better telescopes, revealing the mysteries of the Universe. But how much do you know about telescopes on Earth and beyond?
Pair the Stages of a Star
Though they shine for many thousands, and even millions of years, stars do not last for ever. They ignite, burn, and then run out of fuel and go out.
Can you match the images of each stage of a star's existence to the correct description?
The First Moon Landing
In 1969, the Apollo 11 mission landed on the Moon.
Rockets Quiz
Rockets are used to send astronauts, spacecraft, or equipment to space. They are a vital part of space exploration and research. But how much do you know about how rockets work?