Semester 1 Geoscience Final Exam

Front

Relationship between absolute magnitude and temperature of a star.

Back

Hertzsprung-Russell Diagram

Front

Unit used to measure distances in space.

Back

Light-Year

Front

Stars no bigger than Earth, when these stars are given large amounts of hydrogen gas they explode.

Back

White Dwarfs

Front

Sudden brightening of a star, outer layer of a star is ejected at a high speed.

Back

Nova

Front

Stars that make up 90% of stars.

Back

Main Sequence Stars

Front

An observed change in the frequency of a wave reveals if an object is moving closer or farther away from Earth.

Back

Doppler Effect

Front

Most galaxies are moving away from us

Back

Red Shift

Front

A collection of stars, dust, and gas bound together by gravity.

Back

Galaxies

Front

Faint radio energy signal discovered by scientists, coming from every direction.

Back

Cosmic Background Radiation Energy

Front

The theory that the universe originated in a huge explosion that released all matter and energy 13.7 billion years ago.

Back

Big Bang Theory