Galaxies

A galaxy which is either spherical (ball like) or a flattened disk is a ___ galaxy.

• elliptical

• humanoid

• irregular

• spiral

A galaxy which has a nucleus of bright stars and two or more arms in circular formation is called a ___ galaxy.

• elliptical

• humanoid

• irregular

• spiral

Tags

NGSS.MS-ESS1-2

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

Tags

NGSS.MS-ESS1-2

What type of galaxy has no defined pattern or shape?

• Spiral 
• Elliptical
• Irregular
• Constellation

The closest star to the sun is the...

• Sirius A
• Barnard's Star
• Luhman16
• Proxima Centauri

What is 1 Astronomical Unit?

• The distance from the center of the earth to the center of the sun.
• The distance from the center of Earth to the center of the Moon.
• The distance of one entire revolution around the Sun by the Earth.
• The distance Light travels in a year.

Tags

NGSS.HS-ESS1-4

When we look at images of astronomical bodies are we looking at them in the present? 

• Looking at current images of distant astronomical bodies is like looking back in time; the light that we see does not show what the object looks like now but how it looked when the light was emitted. 
• Looking at current images of distant astronomical bodies is like looking forward in time; the light that we see does not show what the object looks like now but how it will look when our galaxies align. 
• Looking at current images of distant astronomical bodies is like looking at a our current point in time; the light that we see shows what the object looks like now.

A galaxy is a large collection of stars, gas and dust. What is responsible for holding the stars, gas, and dust together in a galaxy?

• heat
• light
• gravity
• friction

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4