Universe and Life Cycle of Stars Review

Front

A light year is...

Back

The distance light can travel in a year

Front

Scientists use Light years to measure objects in space rather than units such as Miles or Kilometers because of how massive the Galaxy and Universe is.

Back

True

Front

To express the distance between the Milky Way galaxy and the Andromeda galaxy, the most appropriate unit of measure is the -

Back

light year

Front

Light Years are a measure of:

Back

distance

Front

The stable period of a star’s life cycle is called...

Back

Main Sequence

Front

Hotter stars appear to be what color?

Back

Blue

Front

Which star is the coldest? Options: Yellow Star, Red Star, Orange Star, Blue Star

Back

Red Star

Front

What stage of the life cycle of a star is this? Options: Planetary Nebula, Black Hole, Neutron Star, Giant/Supergiant

Back

Giant/Supergiant

Front

The Hertzprung Russell Diagram consists of two axis that are labelled...

Back

Luminosity and Temperature

Front

What type of galaxy is this? Options: Spiral, Elliptical, Irregular, Irrational

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Spiral