HR Diagrams, Star Properties, and Lunar Phases

A collection of stars, dust, and gas bound together by gravity is...

• Universe
• Solar System
• Planet
• Galaxy

The distance that light travels in one year...

• Light year
• Quantumyear
• Stellar-year
• 1 million kilometers

Which comes first in the following sequence of stars?

• Main Sequence Star
• Red Giant
• White Dwarf
• Black Dwarf

A Super Giant star will eventually turn into...

• a neutron star or a black hole.
• a red giant.
• a main sequence star.
• a white dwarf or a black dwarf.

What is the graph that shows the relations between a star's surface temperature and absolute magnitude (Luminosity)?

• H-R Diagram

• Star Cluster Map

• Einstein's Diagram

• Newton's Chart of Stars

How do stars generate energy?

• Fusion of hydrogen and helium atoms
• Fission of hydrogen and helium atoms
• Burning hydrogen
• Burning helium

Lightyear is used by scientist to measure what?

• Distance
• Time
• Energy

Nebulae are considered "Stellar Nurseries" because...

• Planets are created from the gases
• Stars form from them
• Asteroids are formed from them

The Hertzprung Russell Diagram consists of two axis that are labelled...

• Luminosity and Size
• Luminosity and Temperature
• Luminosity and Age

In the diagram given, what happens as we move to the left?

• Stars Get Larger

• Stars get Colder

• Stars get hotter