Final Review #1 (Earth Science, Space, Galaxies, Big Bang)

Front

The sun is just one of billions of ______ found within the Milky Way Galaxy.

Back

Stars

Front

Our galaxy is called the _______ galaxy and it is a ______ galaxy.

Back

Milky Way : Spiral

Front

What type of electromagnetic radiation can be detected with this instrument?

Back

Invisible electromagnetic radiation only

Front

Invisible energy that humans use to create pictures of our bones! They have tiny wavelengths and lots of energy. Objects in space also give off this energy!

Back

X-rays

Front

A well accepted idea that is supported by a large amount of reliable scientific evidence is....

Back

a theory.

Front

What is the Big Bang Theory?

Back

The leading explanation about how the universe began, stating that it was born from a singularity and has been expanding ever since.

Front

What is a galaxy?

Back

A massive system that consists of stars, stellar remnants, interstellar gas, dust, and dark matter, bound together by gravity.

Front

What is the Milky Way Galaxy?

Back

The galaxy that contains our solar system, characterized as a barred spiral galaxy.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates light and heat through nuclear fusion.

Front

What is electromagnetic radiation?

Back

A form of energy that travels through space at the speed of light, including visible light, X-rays, and radio waves.