Hertzsprung Russell diagrams

Which of the following best describes a star?  A star is a celestial body ---

• composed of rock and metal with a very high density
• that is too big to be an asteroid, but too small to be a planet.
• that rotates on an axis and revolves around the Sun
• composed of gases that emit light due to nuclear reactions

Use the Hertzsprung-Russell Diagram to answer the following question.  Betelgeuse is a _____

• Hot and Bright Star
• Cool and Bright Star
• Hot and Dim Star
• Cool and Dim Star

What are the three types of galaxies?

• Spiral, Elliptical, Ambiguous
• Whirlpool, Ellipse, Irregular
• Spiral, Elliptical, Irregular
• Swirly, Fuzzy, Uh...

What is the name of the largest stars?

• Protostars
• Supergiants
• Red Giants
• Dwarf Stars

Tags

NGSS.HS-ESS1-3

Black holes are best described as:

• space fillers
• holes
• a place in space where gravity pulls so much even light can't get out
• gravity bombs

Tags

NGSS.HS-PS2-4

Analyze this HR Diagram. Which group of stars is considered to have lower than average luminosity as well as a higher than average temperature?

• Giants
• Main Sequence
• White Dwarfs
• Super Giants

Analyze this HR Diagram. Which group of stars is considered to have higher than average luminosity as well as a lower than average temperature?

• Giants
• Main Sequence
• White Dwarfs
• Super Giants

Which star has the lowest temperature?

• A
• B
• C
• D

Which of these observations of Proxima Centuri's Star is most likely accurate?

• Proxima Centuri's Star is less bright than the sun and has a surface temperature below 3,400 K
• Proxima Centuri's Star is less bright than the sun and has a surface temperature above 3,400 K
• Proxima Centuri's Star is brighter than the sun and has a surface temperature below 4,000 K
• Proxima Centuri's Star is brighter than the sun and has a surface temperature above 4,000 K

Which star is considered a Main Sequence Star?

• A
• B
• C
• D