Topic 2 pt.3

The hottest stars in space are _____ in color.

• Yellow

• Red

• Blue

• White

A galaxy that has a shape similar to a football is a(n) _____ galaxy.

• Normal spiral

• Barred spiral

• Elliptical

• Irregular

All of the following are true of the Milky Way EXCEPT that it

• Is a spiral galaxy

• Has more than 800 billion stars

• Is a member of the Local Group

• Is 100,000 light-years across

A _____ is a region so dense that nothing, including light, can escape its gravity field.

• Supernova

• White dwarf

• Black hole

• Supergiant

Dark, cooler areas on the Sun's surface are called _____.

• Sunspots

• Solar flares

• Coronas

• Prominences

The coolest stars in the sky are _____ in color.

• Yellow

• Red

• Blue

• White

A group of stars, gas, and dust held together by gravity is a _____.

• Galaxy

• Constellation

• Local Group

• Galaxy and constellation

A sequence of star colors from hottest to coolest is _____.

• Blue, Yellow, Orange, Red

• Red, Orange, Yellow, Blue

• Blue, Red, Yellow, Orange

• Yellow, Blue, Orange, Red

_____ are patterns of stars in the sky.

• Galaxies

• Constellations

• Star clusters

• Binaries

A measure of the amount of the light given off by a star is its

• Apparent magnitude

• Absolute magnitude

• Position in space

• Size