Astrophysics
How long it takes for the moon to orbit the earth.
What is about one month
The closest planet to the Sun
What is Mercury
The center of our solar system.
What is the Sun?
One force that keeps the moon orbiting Earth.
What is gravity?
This is a system of millions or billions of stars, held together by gravity.
What is a galaxy?
The time it takes for a planet to rotate once on its axis.
What is about one day
The largest planet in our solar system
What is Jupiter
A star and the objects that orbit it is called this
What is a solar system/star system
The moon phase that is the beginning of the cycle
What is a new moon
This has a mass so great, not even light can escape.
What is a black hole?
Orbiting the sun defines this time period (part a), and the correct term is ______________. (part b)
What is a year(a) and a revolution or revolving (b)
The smallest planet in our solar system
What is Mercury
This is an object made of ice and dust that orbits the Sun. Halley is one example.
What is a comet?
These are created on the moon by asteriod impacts
What are craters?
This is the name of the explosion of a star.
What is a supernova?
The primary source of information that we receive from distant objects in space.
What is light?
These are planets found outside our Solar System.
What are exoplanets?
This is a series of rocky objects found between the terrestrial planets and the gas giants.
What is the asteroid belt?
The term used to describe moon phases with GROWING lit area
What is a waxing
This is found at the center of large galaxies.
What is a supermassive black hole?
This astrophysicist came up with the laws of planetary motion.
Johannes Kepler
The 4 terrestrial planets.
What are Mercury, Venus, Earth, and Mars?
The outer planets are also known as _______ giants.
This is what causes the moon to have no weather.
What is the lack of atmosphere (or no atmosphere)?
This is a cloud of gas and dust that formed our solar system.
What is nebula?