Chapter 29 Vocab

How bright a star appears

• Apparent Magnitude

• Absolute Magnitude

• Luminosity

• Binary

How bright a star would appear if placed at a distance of 10 pc

• Apparent Magnitude

• Absolute Magnitude

• Luminosity

• Binary

Used to diagram the mass, luminosity, temperature, and diameter of stars

• Apparent Magnitude

• Absolute Magnitude

• Hertzsprung Russell Diagram

• Fusion

Large cloud of gas a dust that contracts to form a star

• Nebula

• Protostar

• Supernova

• Main Sequence

Hot condensed object at the center of a nebula that will become a new star when nuclear fusion reactions begin

• Nebula

• Protostar

• Supernova

• Main Sequence

small, dense remains of a high mass star after a supernova

• Black Hole

• Nebula

• Protostar

• Neutron Star

Massive explosion that occurs when the outer layers of a star is blown off

• Supernova

• Red Super Giant

• Pulsar

• Black Hole

Small, extremely dense remnant of a star whose gravity is so immense that not even light can escape its gravitational field

• Supernova

• Neutron Star

• Black Hole

• Nebula

Huge group of single stars, star systems, star clusters, dust and gas bound together by gravity

• Galaxy

• Binary

• Protostar

• Nebula

Galaxy that has a bulge in middle and arms spiral outward; Milky Way

• Spiral Galaxy

• Elliptical Galaxy

• Irregular Galaxy

• Quasars