Earth Science
Most astronomers believe that the universe continues to ______.
Expand
This type of galaxy has a disorganized shape.
Irregular Galaxy
A collection of billions of stars, dust, and gas held together by gravity.
Galaxy
The process that creates energy within stars is called __________ _______
Nuclear Fusion
This word describes the path that an object takes around another object.
Orbit
These ancient peoples created detailed catalogs of rocks and minerals.
The Greeks
This theory explains how the universe may have began
The Big Bang Theory
What category do these objects belong to?
Rockets, Rovers, Shuttles, Satellites and probes
Spacecraft
Nuclear fusion creates Helium and Energy from the fusion of _________
2 Hydrogen atoms.
What category do these words belong to?
Comets, Meteors, Exoplanets, Moons
This is the only type of energy that is visible to the naked eye
Visible light
This type of electromagnetic waves is invisible to the naked eye and can cause serious sunburn or cancer
UV rays
Galaxies are considered to be the "_______" of space!
neighborhoods
This stage of a sun's life occurs when the star has run out of hydrogen and the star cools and expands.
Red Giant
What is the 6th Planet from the Sun?
Saturn
This branch of Earth Science observes the solid earth
Geology
This type of telescope uses a dish to send images into space and uses a computer to generate a picture.
electromagnetic telescope
A _________is a well accepted idea and is well supported by evidence.
Theory
What layer of the sun has sunspots on it?
Photosphere
These planets are known for their rocky surfaces and are smaller and warmer.
Terrestrial planets?
This branch of Earth Science studies climate, weather patterns, and the atmosphere.
Meteorology
This is the name of the US agency that runs our national space exploration program.
NASA
14 billion
Why do scientists say that we are made of stardust?
Stars create the elements that our bodies are made of and when they explode, they go spread out into the universe
This object is made up of smaller planetesimals and has the ability to become either a planet or a moon.
Protoplanet