Unit 10A

Front

What is a collection of gas, dust, and billions of stars called?

Back

Galaxy

Front

What is a dense, planet-sized star that has exhausted all its nuclear fuel?

Back

White Dwarf

Front

What do we call a group of stars that forms a pattern in the sky resembling an animal or object?

Back

Constellations

Front

How long ago did the Big Bang occur?

Back

13.7 billion years

Front

What stage follows the main sequence for a small to medium mass star when it expands?

Back

Red Giant

Front

What is the term for a massive explosion that occurs at the end of a star's life cycle?

Back

Supernova

Front

What is the name of the region in space where the gravitational pull is so strong that nothing can escape from it?

Back

Black Hole

Front

What is the process by which stars produce energy through nuclear fusion?

Back

Nuclear Fusion

Front

What is the term for the apparent shift in position of an object when viewed from different angles?

Back

Parallax

Front

What is the name of the phase in a star's life cycle where it fuses hydrogen into helium?

Back

Main Sequence