The Stars
The star closest to the Earth.
What is the Sun?
The Sun and all the bodies that orbit it.
What is the Solar System?
An imaginary center line around which Earth rotates.
What is the axis?
Mercury is mostly made of this.
What is iron?
A huge system of stars, dust, and gas held together by gravity.
What is a galaxy?
A cloud of gas and dust in which new stars form.
What is a nebula?
This occurs when the Moon blocks the Sun's light.
What is a solar eclipse?
The Earth's ___________ gives us day and night.
What is rotation?
The nicknames give to the last four planets in our Solar System.
What are the "gas giants?"
The measure of the distance that light can travel in a year.
What is a light-year?
A gigantic explosion that occurs near the end of the life of some stars.
What is a Supernova?
A planet's trip around the Sun.
What is an orbit or a revolution?
What Earth is mostly covered with.
What is water?
This planet has many craters on its surface.
What is Mercury?
The part of a comet that is very small and is described as a "dirty snowball."
What is the nucleus?
A point in space that has such a strong force of gravity that nothing within a certain distance of it can escape.
What is a black hole?
The part of the Sun that gives off light energy.
What is the photosphere?
The natural Satellite that orbits the Earth.
What is the Moon?
This planet is also known as the "Red" planet.
What is Mars?
The part of a comet that is made of a cloud of dust and evaporated gases.
What is the coma?
A group of stars that form a pattern.
What is a constellation?
The outermost layer of the Sun.
What is the corona?
This occurs when Earth casts a shadow on the Moon.
What is a lunar eclipse?
The area of our Solar System, that is beyond Neptune, that contains many icy, rocky objects called KBOs.
What is the Kuiper Belt?
The two Americans who were the first to walk on the Moon
Who were Neil Armstrong and Buzz Aldrin?