ASTRONOMY MIDTERM

This is a term for the wobbling of the Earth around its axis:

Based solely on color, which of these is likely the hottest (hint: look at a picture of a rainbow, the blue end has shorter wavelengths and the redder end has longer wavelengths).

These are unusually weak ocean tides at first or third quarter moon: (a)  

• Summer tides
• Spring tides
• Fall tides
• Winter tides
• Neap tides

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NGSS.MS-ESS1-1

Tidal friction causes:

• The moon's spin to speed up and move it closer to Earth

• The Earth's spin to slow down and the days to lengthen

• The Earth's spin to speed up and the days to lengthen

• The Earth's spin to slow down and the days to shorten

• The Earth's spin to speed up and the days to shorten

The length of Earth's precession period is:

• 26,000 months

• 26,000 days

• 26,000,000 years

• 26,000 years

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NGSS.MS-PS2-4

A day when the earth's axis is either closest or farthest from the sun is known as a

• rotation

• solstice

• lunar month

• season

• equinox

Tags

NGSS.MS-ESS1-1

Match the following celestial events with their descriptions:

• An event that does not fit any of the given descriptions.

• None of these answers are correct.

• An event where the Earth comes between the sun and the moon, causing the Earth's shadow to fall on the moon.

• Full moon

• The phase of the moon when it is half illuminated and increasing.

• Solar eclipse

• The phase of the moon when it is fully illuminated as seen from Earth.

• Lunar eclipse

• An event where the sun's light is obscured as the moon passes directly between the Earth and the sun.

• First quarter moon

Tags

NGSS.MS-ESS1-1

The darkest portion of Earth's shadow, or its total shadow is the (a)  

• Preumbra
• Totality
• Postumbra
• Umbra

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NGSS.MS-ESS1-1

During a total lunar eclipse, during totality, you'd expect:

• To see a bluish moon

• To see an orange/copper red moon

• To see no stars

• To see a full moon, bright as usual

• To see no moon at all, it will be completely invisible

Tags

NGSS.MS-ESS1-1

The point at which the moon is closest to the Earth is known as the (a)  

• Corona
• Angular diameter
• Photosphere
• Perigee
• Apogee