Astro 1500 Final Exam Review 1: Lectures 1-14

Suppose Star #1 has 2 times the temperature of Star #2, but 1/4 the radius of Star #2. What is the ratio of Star #1's luminosity to Star #2?

• Same Luminosity (Ratio of 1)

• 2

• 4

• 1/2

A radio wave has a _____ wavelength and a _____ frequency than a gamma ray

• Shorter; Lower

• Shorter; Higher

• Longer; Lower

• Shorter; Higher

Tags

NGSS.HS-PS4-1

A star with a red color is _____ than a blue colored star.

• Cooler

• Hotter

• Brighter

• Dimmer

An absorption line occurs when an electron

• Goes to a lower energy orbit

• Goes to a higher energy orbit

• Leaves an atom

• Explodes

Tags

NGSS.HS-PS1-2

Which of the following could NOT be explained properly by the geocentric model?

• Asteroids

• Parallax

• Retrograde Motion

• Solar/Lunar Eclipses

Tags

NGSS.HS-ESS1-4

NGSS.HS-ESS1-2

In the year 2000, an alien 100,000 Light Years away decides to look at the earth through a telescope. What does the alien see?

• The earth in the year 2000

• The earth in the year 2024 (now)

• The earth 100,000 years ago

• The earth 100024 years ago

Tags

NGSS.MS-ESS1-4

True or False: According to Newton's Theory of Gravity, all objects with mass experiences gravity.

• True

• False

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

What is a flaw with using refraction telescopes?

• Chromatic Abbarations

• Must be cleaned too often

• More difficult to make than reflecting

• Images appear upside down when viewing

Which wavelengths fully penetrate the Earth's atmosphere?

• Visible Light

• UV

• Gamma Rays

• X-Rays

Tags

NGSS.HS-PS4-3

Planet #1 has a greater period (T) than Planet #2. Which has the greater semi-major axis (A)?

• Planet #1

• Planet #2

• They are the same

• The earth is flat and Kepler's Law isn't real

Tags

NGSS.HS-ESS1-4