Stars, Galaxies and the Universe - 2

What are the two labels on the HR Diagram?

• Brightness and Temperature

• Size and Temperature

• Brightness and Size

• Temperature and Color

Which is NOT a group/category on the HR Diagram?

• Main Sequence

• Giants

• Super Giants

• Galaxies

Which category does our Sun belong to?

• Giants

• White Dwarfs

• Main Sequence

• Super Giants

What determines the star's life cycle path?

• Color

• Temperature

• Mass

• Location

What will an average star eventually become?

• Black Hole

• Neutron Star

• White Dwarf

• Supernova

Which will eventually become a black hole?

• Low Mass Star

• Average Mass Star

• Medium Mass Star

• Massive Mass Star

Which will eventually become a supergiant?

• Low Mass Protostar

• Medium Mass Protostar

• Average Mass Protostar

• Massive Mass Protostar

What is a supernova?

• Cloud of gas and dust where stars are born.

• A star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass.

• The collection of stars, dust and gas held together by gravity.

• An object with gravity so strong that no light can escape.

What is a protostar?

• The early stage in the evolution of a star.

• A collection of stars, dust and gas held together by gravity.

• The expanding shell of gas around an aging star.

• An object with gravity so strong that no light or matter can escape.

What is a PLANETARY Nebulae?

• A collection of stars, dust and gas held together by gravity

• An object with gravity so strong that no light or matter can escape.

• The expanding shell of gas around an aging star.

• A catastrophic explosion that ejects most of its mass.