h-r diagram

The H-R diagram classifies stars based on what factors?

• Temperature and luminosity

• Number of planets

• What constellation they're in

• Temperature and fusion

Our sun is what kind of star?

• Blue giant

• Red giant

• Main sequence

• White dwarf

Tags

NGSS.HS-ESS1-3

Which star has the lowest temperature?

• A
• B
• C
• D

Compared to a red giant star, a blue supergiant is...

• Hotter and brighter

• Hotter and not as bright

• Colder and brighter

• Colder and not as bright

Tags

NGSS.HS-ESS1-3

Which star category has a surface temperature of 20,000K and high absolute brightness?

• Main sequence

• Blue Giants

• Red Supergiants

• White Dwarfs

Red stars are the _____________.

• hottest
• coolest
• biggest
• brightest

Look at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?

• Betelguse
• Sirius B
• Procyon B
• Barnard's star

Absolute magnitude is defined as...

• the brightness of an object in space, measured as if you’re 10 parsecs away from the object.
• Total energy emitted by a space object per unit time.
• the brightness of an object in space, as it appears from Earth
• the color of an object in space, described on a number scale.

In which region of the H-R Diagram would you be likely to find Blue Giants?

• W
• X
• Y
• Z

Tags

NGSS.HS-ESS1-3

Use the diagram to answer the question.Using the figure, Aldebaran, Mira, and Pollux are all _____ stars.

• giant
• supergiant
• main-sequence
• white dwarf

Tags

NGSS.HS-ESS1-3