Stars and Galaxies

The closest star to Earth is Proxima Centauri

The type of telescope useful for studying quasars and pulsars is the

The H-R diagram graphs a large number of stars according to temperature and absolute magnitude

Very bright stars that are cool to medium hot in temperature are

Scientists use the Doppler Effect to determine how far away a star is

The optical telescope that uses both lenses and mirrors is the refracting telescope

A spectroscope separates light through a prism, a lens, and a camera

The coolest temperature stars are blue

Hercules and Lyra are examples of star patterns called

Black dwarfs are hot stars with low magnitudes

All types of electromagnetic wave energy make up the

The life cycles of a star begin within a cloud of gas and dust called a 

The tiny core of a star that remains after a supernova is a

Galaxies are classified into four groups based on their

The Big Bang Theory explains the

Which of the following is classified as a spiral galaxy?

Both high-mass and low-mass stars begin their life cycles as a 

A star's brightness as it appears from Earth is its absolute magnitude

The sun is a yellow star

A star's visible light can be broken into its spectrum using a

Red giants are part of the life cycles of

Supernovas are part of the life cycle of low-mass stars

An optical telescope that uses only lenses is a