The apparent change in position of an object when it is viewed from different locations.
What is parallax?
100
Force that attracts objects towards each other
What is gravity?
100
The closest visible star to Earth
What is the sun?
100
The largest of the three: galaxy, solar system, and star system.
What is a galaxy?
100
The three layers of the sun
What are the Core, Radiation Zone, Convection Zone?
200
This is used to make really large or small numbers easier to understand
What is scientific notation?
200
Two factors that determine the strength of gravity between objects
What is mass and distance?
200
A large cloud of gas and dust that all stars begin their lives as
What is a nebula?
200
4 main types of galaxies
What are spiral, elliptical, irregular, quasars galaxies?
200
The sun’s interior and atmosphere is made up mostly of?
Hydrogen and Helium
300
This is what a light-year measures (time/distance)
What is distance?
300
Scientist who came up with the law of universal gravitation
Who is Newton?
300
The three things a star may become once it runs out of fuel
What are white dwarf, nebula, or black hole?
300
Type of galaxy that we live in (The Milky Way)
What is a spiral galaxy?
300
Dark area on the sun’s surface
Sun spots
400
Scientific notation for 76000000
What is 7.6 x 107
400
The process of building something gradually from smaller pieces
What is accretion?
400
Stars A, B and C have the same apparent brightness. A is closest to Earth, B is a little farther, and C is the furthest from Earth. This star has the greatest absolute brightness.
What is Star C?
400
Galaxy that has huge black holes at their center and glow, and tend to be young
What is a quasar?
400
About the core temperature of the sun
What is 15 million Celsius?
500
A year on this planet is shorter than its day
What is Venus?
500
This is how a person would weigh (same, less, or more) if they were on Mars rather than on Earth
What is less?
500
This region of space can have the mass of several million suns, but is still usually very small.
What is a blackhole?
500
The telescope that has been important in finding and classifying many galaxies
What is the Hubble telescope?
500
The percentage of mass that the Sun takes up of the Solar System