Hailey Alexander

How do galaxies affect our understanding of the universe?

What is the Hubble telescope used for?

Are any planets in the universe larger than the sun?

Is the sun directly in the center of earth's orbit?

Where is the Milky Way located relative to rest of the universe?

What is the Copernican Theory?

What is the distance across our solar system in kilometers?

What is the relationship between longitude of ascending node and argument of perihelion?

How many galaxies are there in the universe? How were they discovered? How many have been discovered?

How is the death of a very large star different from the death of a small star?

What does it mean when scientists say that a planet or star is a certain amount of light years away?

What is the distance from Earth to Mars in kilometers?

What causes moon phases? Why is there only one full moon a month?

What does Earth look like from deep space?

How do scientists divide earth's history?

How is the circumference of the earth calculated?

How does gravity affect a star's life cycle?

What is nutation in relation to earth?

What is the speed of light in AU/h?

How does a galaxy differ from a constellation?