Stars and Galaxies

Last updated almost 6 years ago
17 questions
1

A star's brightness as if it were a standard sistance from Earth is known as what?

1

A star begins as part of a large cloud of gas and dust called what?

1

A system in which one star periodically blocks the light from another is called what?

1

A unit that is often used to measure distances between stars is called what?

1

The beginning stage of a star's life cycle is known as what?

1

Many stars belong to larger groups called what?

1

What is an imaginary pattern of stars?

1

A dying high-mass star can suddenly explode, becoming a what?

1

A huge group of single stars, star systems, star clusters, dust and gas bound together by gravity is called what?

1

The brightness of a star as seen from Earth is called what?

1

The most massive stars collapse to form what when they die?

1

Galaxies that appear to have a bulge in the middle and arms that move outward are called what?

1

Which of the following is not a characteristic of stars?

1

What determines how long a star will live?

1

Scientists use the power of ten to write very large or very small numbers in shorter form called what?

1

How are stars classified?

1

How to astronomers measure distances to stars?