Space Flashcards
What is the angle of the earths tilt?
23.5
Name the planets in the solar system in order
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What is an orbit?
An orbit is something that revolves around something else. It is a curved path of something around a star or planet.
What is a satellite?
A satellite helps us communicate around the world. It is an artificial body which can orbit the moon or sun.
How long does it take for the moon to orbit the earth?
28 days
How long does it take for the earth to orbit the sun?
365.25 days
What’s a galaxy?
A galaxy can contain many millions of stars
What’s a star?
Stars form immense groups called galaxies
What’s a nebulae
Stars start out in giant clouds of dust
What’s a protostar
More dust comes together. If it becomes strong enough it becomes a star.
What’s a main sequence star
Burns for billions of years.
What’s a red giant
When hydrogen runs out the star starts to expand
What’s the end of a star life?
The star eventually cools down and will become a white dwarf star. The super red giants will supernova
What’s a supernova?
The star will explode, become a black hole or become a neutron star
What’s an exoplanet?
A planet that orbits a star that isn’t the sun
