Earth Science, Observing Space, Galaxies, Big Bang Theory

Front

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

Back

Stars

Front

Which of the following is NOT a part of the Big Bang Theory?

Back

Planets formed first, then the stars, and finally hydrogen and helium.

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

Invisible energy that humans use to transmit music and messages! They have the largest wavelengths. Objects in space also give off this energy!

Back

Radio Waves

Front

Ancient Greek contribution to Earth Science.

Back

Made a catalog of rocks and minerals.

Front

What is the Big Bang Theory?

Back

A scientific explanation that the universe began from a very small point and has been expanding ever since.

Front

What are galaxies?

Back

Massive systems that contain stars, star clusters, gas, dust, and dark matter, bound together by gravity.

Front

What is the Milky Way?

Back

The galaxy that contains our solar system, characterized by its spiral shape.

Front

What is a star?

Back

A luminous sphere of plasma held together by gravity, undergoing nuclear fusion.

Front

What is the role of X-rays in astronomy?

Back

X-rays help astronomers study high-energy phenomena in the universe, such as black holes and supernovae.