Astronomy Honors Vocabulary Review

A star's explosion is..

• quasar

• pulsar

• supernova

• red giant

• black hole

The model of the universe with the Earth at the center

• heliocentric

• geocentric

• hypercentric

• Earthcentric

The most commonly accepted scientific theory for the creation of the universe is

• light year

• red shift

• big bang

• electromagnetic spectrum

A young star that has not started nuclear fusion yet is...

• protostar

• brown dwarf

• black hole

• neutron star

The distance light travels in one year is...

• a light year

• one year

• a light beam

• electromagnetic spectrum

A type of telescope that detects radio waves from space is ...

• x ray telescope

• optical telescope

• radio telescope

• reflecting telescope

A galaxy with an active black hole at its center is...

• pulsar

• quasar

• nebula

• star

• apparent magnitude

A "failed star" that never could get hot enough for nuclear fusion to start is a

• red dwarf

• white dwarf

• brown dwarf

• purple dwarf

A small, cool, and dim star at the bottom right of the HR diagram is ...

• red giant

• red dwarf

• red shift

• white dwarf

• blue giant

A chunk of ice, gas, and dust in space orbiting the sun is called...

• meteor

• meteorite

• asteroid

• comet