Astronomy Week 2

27.3

The moon's orbit around the earth is __ days

phases

We see different ___ of the moon depending on which part of it the sun illuminates

29.5

The phases of the moon are a ____ day cycle

waxing

Moon gets fuller during the ____ phase

waning

Moon gets less full during the ____ phase

third quarter

A moon with half it's face dark and half bright is in the ____

once

The moon rotates ___ with each orbit, meaning only one side is visible from earth

full

If the Moon is setting at 6 A.M., the phase of the Moon must be

third quarter

If the Moon is rising at midnight, the phase of the Moon must be

midnight

At approximately what time would a full Moon be on your meridian?

noon

At approximately what time would a first quarter Moon rise?

waning crescent

If the Moon rises around 3 A.M., its phase must be

east

In which direction does a quarter Moon rise?

ashen light

sunlight reflected by Earth that illuminates the "dark" portion of the Moon.

false

At midnight it is sometimes possible to observe the crescent Moon on the meridian.

false

It is possible to see the third-quarter Moon near the western horizon at sunrise.

false

It is possible to see the full Moon rising just before sunrise.

false

It is possible to view the Moon in first-quarter phase the day after a total lunar eclipse.

eclipse

When either the earth or moon passes through the other's shadow

total lunar eclipse

Moon passes entirely through the umbra. Moon appears obscured/backlit by sun

partial lunar eclipse

Part of the moon passes through the umbra. Part of the moon is obscured

penumbral lunar eclipse

Moon passes through the penumbra. Moon appears dimmer

full moon

Lunar eclipses can occur only at a ____

new moon

Solar eclipses can occur only at a ____

2

How many eclipse seasons are there every year?

nodes

Points where moon's orbit crosses the ecliptic plane

lunar eclipse

Occurs when moon passes through Earth's shadow

solar eclipse

Occurs during new moon when moon's shadow falls on part of earth

5

The moon's orbit is titled by about ___ degrees to the ecliptic plane. Meaning during most of it's orbit the moon is above or below the ecliptic plane. Only crosses through twice a month, and this must align with a new or full moon for an eclipse

173

About _ days pass between one eclipse season and another

Annular eclipse

Occur when the moon is farther from earth

umbra

central region of moon's shadow. place to see a total solar eclipse. place for a total lunar eclipse to occur

penumbra

larger surrounding region of moon's shadow. place to see a partial solar eclipse. place for a partial lunar eclipse to occur

Astronomy Week 2 - Subjecto.com

Astronomy Week 2

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27.3

The moon’s orbit around the earth is __ days

phases

We see different ___ of the moon depending on which part of it the sun illuminates

29.5

The phases of the moon are a ____ day cycle

waxing

Moon gets fuller during the ____ phase

waning

Moon gets less full during the ____ phase

third quarter

A moon with half it’s face dark and half bright is in the ____

once

The moon rotates ___ with each orbit, meaning only one side is visible from earth

full

If the Moon is setting at 6 A.M., the phase of the Moon must be

third quarter

If the Moon is rising at midnight, the phase of the Moon must be

midnight

At approximately what time would a full Moon be on your meridian?

noon

At approximately what time would a first quarter Moon rise?

waning crescent

If the Moon rises around 3 A.M., its phase must be

east

In which direction does a quarter Moon rise?

ashen light

sunlight reflected by Earth that illuminates the "dark" portion of the Moon.

false

At midnight it is sometimes possible to observe the crescent Moon on the meridian.

false

It is possible to see the third-quarter Moon near the western horizon at sunrise.

false

It is possible to see the full Moon rising just before sunrise.

false

It is possible to view the Moon in first-quarter phase the day after a total lunar eclipse.

eclipse

When either the earth or moon passes through the other’s shadow

total lunar eclipse

Moon passes entirely through the umbra. Moon appears obscured/backlit by sun

partial lunar eclipse

Part of the moon passes through the umbra. Part of the moon is obscured

penumbral lunar eclipse

Moon passes through the penumbra. Moon appears dimmer

full moon

Lunar eclipses can occur only at a ____

new moon

Solar eclipses can occur only at a ____

2

How many eclipse seasons are there every year?

nodes

Points where moon’s orbit crosses the ecliptic plane

lunar eclipse

Occurs when moon passes through Earth’s shadow

solar eclipse

Occurs during new moon when moon’s shadow falls on part of earth

5

The moon’s orbit is titled by about ___ degrees to the ecliptic plane. Meaning during most of it’s orbit the moon is above or below the ecliptic plane. Only crosses through twice a month, and this must align with a new or full moon for an eclipse

173

About _ days pass between one eclipse season and another

Annular eclipse

Occur when the moon is farther from earth

umbra

central region of moon’s shadow. place to see a total solar eclipse. place for a total lunar eclipse to occur

penumbra

larger surrounding region of moon’s shadow. place to see a partial solar eclipse. place for a partial lunar eclipse to occur

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