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What happens after a supernova?
A supernova lasts between one to two years. This type of explosion usually happens because the core of the star has collapsed...
What Did Johannes Kepler Discover?
The astronomer Johannes Kepler discovered the laws of planetary motion. These laws state that the planets move in an elliptical...
What was Hercules' nickname?
Hercules was born human as a result of his father's infidelity with a mortal woman. To make the child immortal, Zeus allowed...
Why is Mars red?
The iron elements on the surface of Mars became red when they rusted, a process called oxidation. This occurs when the...
What Happens When a Solar Nebula Contracts?
What types of stars end their lives with supernovae?
Why does Venus appear so bright to the eye?
What Was the Name of the First Satellite NASA Sent to Mars?
How much does the Space Shuttle weigh?
How far is Betelgeuse from Earth?
What is a celestial body?
Do planets orbit in the same direction?
Why did people once believe that Earth was the center of the Universe?
What Color Is Neptune
What was the name of the first satellite put into orbit by the United States?
Can you see Mars without a telescope?
What are some chapter summaries for "Banner in the Sky"?
Where is Pisces located in the sky?
When will all the planets in our solar system align?
What is Uranus' period of revolution?
What is the protoplanet hypothesis?
What Does Nebula Mean
What are some facts about the planet Sedna?
What are the special features of Mars?
What are the causes of the retrograde motion of Mars?
How many stars make up the constellation Aquarius?
How Long Does It Take the Earth to Orbit the Sun?
How many stars make up the constellation Leo?
How do you build a moon buggy?
Who is Saturn in Roman mythology?
Have any man-made satellites been sent to Mars?
What Do Astronauts Do in Space
What is the imaginary line around which the Earth spins?
What is the highest temperature on Saturn?
What are the southern lights?
How do satellites stay in orbit?
What Is the Highest Temperature on Uranus?
Where did Sir William Herschel go to school?
What is the ultimate fate of an isolated white dwarf?
What kinds of objects lie in the disk of our galaxy?
What Did Galileo Galilei Discover
What is the fastest moving planet in the solar system?
How Far Is Callisto from the Sun?
What Causes the Planets to Orbit the Sun
What is a medium star?
What are some solar system project ideas?
Phases of Gymnastics Program
Why is Titan an interesting moon?
What is the Earth's motion that causes day and night?
What Does Orbit Mean
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