The Stars

Which star in the Big Dipper is the farthest from Earth?

• Dubhe

• Merak

• Alkaid

• Alioth

How do scientists use telescopes to learn about stars?

• By observing the light emitted by stars

• By measuring the temperature of stars directly

• By collecting samples from stars

• By communicating with stars

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-5

What is parallax?

How do astronomers use parallax to measure the distance of stars?

• By observing the apparent shift in a star's position from two different points in Earth's orbit

• By measuring the brightness of a star

• By analyzing the color spectrum of a star

• By calculating the gravitational pull of a star

What is the limitation of using parallax for measuring star distances?

• It can only measure distances to stars that are relatively close to Earth.

• It requires complex mathematical calculations.

• It is only applicable to stars within our solar system.

• It is affected by the brightness of the star.

Cepheid variables are a type of what?

• Galaxy

• Star

• Planet

• Nebula

How do scientists determine the movement of stars?

• By observing their brightness changes

• By measuring their parallax

• By analyzing their spectral lines

• By tracking their positions over time

Tags

NGSS.HS-ESS1-4

What is the process called that determines a star's composition from its light spectrum?

• The process is called spectroscopy.

• The process is called photometry.

• The process is called astrometry.

• The process is called heliometry.

Tags

NGSS.HS-PS4-3

What kind of light do stars emit across the electromagnetic spectrum?

• Only visible light

• Only infrared light

• Only ultraviolet light

• All types of electromagnetic radiation

Tags

NGSS.HS-PS4-3

Which type of electromagnetic wave is about the size of a honey bee?

• Radio

• Microwave

• Infrared

• Visible