Stellar Clusters and Binary Stars

____ binaries orbit far enough from each other that they can be viewed individually.

• Spectroscopic

• Independent

• Visual

• Parallax

Tags

NGSS.HS-ESS1-4

A star moving away from us will show spectral lines that are ______ due to the doppler effect

• thicker

• brighter

• blueshifted

• redshifted

Tags

NGSS.HS-ESS1-2

What causes a binary star to wobble back and forth?

• Gravity from another star 
• Eclipsing another star
• Dying of a star or  black hole 

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

The image shows a light curve for what type of binary star sytem?

• Spectroscopic

• Eclipsing

• Visual

• Double

• Astrometric

This image shows Mizar and Alcor. A clear example of

• A Visual Binary

• A Spectroscopic Binary

• Two Unrelated Stars

Tags

NGSS.MS-PS2-4

For a star system to be an Eclipsing Binary, we must be seeing the stars

• "Edge On"

• "Top Down"

• From the left

• individually rendered

Which type of Binary Star system is most useful for determining the masses and radii of the stars?

• Spectroscopic Binary

• Astrometric Binary

• Eclipsing Binary

• Double Star System

A star moving toward us will show spectral lines that are ______ due to the doppler effect

• thicker

• brighter

• blueshifted

• redshifted

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

NGSS.HS-PS4-3

How many stars are there in an Open Cluster?

• Very few millions to billions Dozens to thousands Dozens to millions

• millions to billions

• Dozens to thousands

• Dozens to millions

What is the shape of an Open Cluster?

• Pinwheel

• Globular

• Ring-Shaped

• Irregular shape