Astronomy 1

Why is the light from distant galaxies shifted toward the red end of the spectrum?

• They produce more red light than nearby galaxies

• They are moving away from us

• The longer wavelengths are filtered out more by dust

• They are moving toward us

About how long ago do scientists believe the universe began?

• 13-15 billion years ago

• 13-14 million years ago

• 12-13 billion years ago

• 12-13 million years ago

What does the Big Bang theory suggest?

• The universe was just there
• The Milky Way is the only solar system
• The universe is continually expanding
• The universe started as a point and is moving towards each other

Tags

NGSS.HS-ESS1-2

The spinning of the Earth on its axis is

• rotation
• revolution
• precession
• nutation

Tags

NGSS.MS-ESS2-6

The Earth's motion around the Sun is called its

• rotation
• revolution
• precession
• nutation

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

What is the origin of the universe called?

• The Hubble Glitch
• The Big Crunch
• The Big Bang
• The Big Collapse

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NGSS.HS-ESS1-2

Which color has the longest wavelength?

• Red
• Yellow
• Green
• Violet

Planets orbit the Sun in a shape called a(n)

• circle
• ellipse
• focus
• perihelion

Tags

NGSS.HS-ESS1-4

A planet moves __________ when it is farthest from the sun.

• faster
• slower

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NGSS.HS-ESS1-4

The Earth takes about __________________ hours to complete one rotation of its axis.  

• 12
• 24
• 14
• 28

Tags

NGSS.MS-ESS1-1