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The material expelled from the star's explosion can travel as fast as 30,000 KM each second.
The second type of supernova occurs at the end of a single star's lifetime.
A supernova can outshine a whole galaxy.
planets
MARS
One day Mars will have a ring. In the next 20-40 million years
JUPITAR
Jupiter has the shortest day of all the planets. It turns on its axis once every 9 hours and 55 minutes.
SATURN
Saturn orbits the Sun once every 29.4 Earth years.
Saturn is the flattest planet. Its polar diameter is 90%
It moves so fast that it heats up and glows as it moves through the atmosphere.
A shooting star is really a small piece of rock or dust that hits Earth's atmosphere from space.
