Astro - Stars and Galaxies Review

(REVIEW) Think of the constellation Orion. Which of the following is/are stars that are part of Orion? (One is a red supergiant and the other is a blue giant)

• Rigel

• Betelgeuse

• Sirius

• Vega

Tags

NGSS.HS-ESS1-3

(REVIEW) Think of the constellation Ursa Minor. Which of the following stars is part of Ursa Minor? (This star is actually a binary pair!)

• Dubhe

• Polaris

• Alderbaran

• Altair

Why do scientists still use constellations?

• They divide the night sky so that we can locate specific objects

• They are cool and connect us to our ancestors

• They help predict important events in our lives

• They tell a story

Which of the following are the three most important characteristics found on an HR diagram?

• Luminosity

• Size

• Temperature

• Composition/Chemical Make-up

An O class star is the hottest class of star. What color would it appear as?

• Red

• White

• Blue

• Green

Our galaxy, the Milky Way, is what type of galaxy?

• Elliptical

• Spiral

• Irregular

• Lenticular

Which of the following objects is found at the center of every galaxy?

• Supermassive black hole

• Hypergiant star

• Ordinary black hole

• Nebulae

Which galaxy is the direct result of two galaxies colliding?

• Spiral galaxy

• Ellipitcal galaxy

• Irregular galaxy

• Lenticular galaxy

The stars found to the upper right of an HR diagram are usually classified as...

• Blue giants

• Red giants

• Main sequence

• White dwarfs

Tags

NGSS.HS-ESS1-3

The stars found to the lower left of an HR diagram are usually classified as...

• Blue giants

• red giants

• Main sequence

• White dwarfs