Space

How can a scientist tell how quickly and object in space is moving and whether or not its moving toward Earth?

• redshift and blueshift

• ultraviolet and infrared

• absorption and radiation

• absorption and emission

Tags

NGSS.HS-ESS1-4

What is the  brightness star in this HR  diagram?

• Barnard´s star

• Betelguese

• Deneb

• Sirius B

Which section of the spectrum is the ONLY one we can see?

• X-rays

• Visible Light

• Gamma Rays

• Ultraviolet Rays

Our galaxy is a ________ galaxy.

• Irregular

• Elliptical

• Spiral

• Twirl

Tags

NGSS.MS-ESS1-2

Red stars are the _____________.

• hottest

• coolest

• biggest

Which one is the correct order from hottest to coolest stars?

• blue, yellow,orange, red

• red, orange, yellow, blue

• blue, red, yellow, orange

• yellow, blue, orange, red

Which galaxy is moving the slowest?

• Galaxy A

• Galaxy B

• Galaxy C

• Galaxy D

Tags

NGSS.MS-PS3-1

How bright a star APPEARS FROM EARTH is called what?

• apparent magnitude

• absolute magnitude

• size

• position in the sky

What force keeps  together all the stars in a galaxy?

• Centrifugal force

• Fiction

• Gravity

• Wind

Tags

NGSS.HS-PS2-4

One star is moving away from the solar system. What color will the shift be?

• Has a blue shift

• Has a yellow shift

• Has  a green shift

• Has a red shift

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3