Apparent Size
Apparent Brightness
Stars & Constellations
Earth
Vocabulary
100

An object appears larger because it is __________ to us.

closer

100

An object appears brighter because it is ____________.

Closer
100

A constellation is a group of _____ that form a pattern in the sky.

Stars

100

It takes the Earth 24 hours to do this.

Rotate around the sun

100

The imaginary line Earth spins around

Axis

200

An object appears _____________ because it is farther away.

smaller

200

An object appears dimmer because it is ________________.

Farther away

200

This constellation is famous for having a "belt".

Orion

200

This force pulls objects towards the Earth's core.

Gravity

200

To spin in place, like a top.

Rotate

300

Two objects can look different in size even if they're the same size because of ____________.

Distance
300

The sun appears brighter than other stars because _______________.

It is closer to Earth than the other stars.

300

Constellations appear to move across the sky because of this.

The Earth's rotation

300

Shadows are at their shortest length during this time of day

Noon

300

To move around another object.

Revolve

400

A nearby tennis ball can look bigger than a faraway building because of this idea.

Apparent size

400

Two stars with the same actual brightness can look different because of this.

Distance

400

This is why we see different constellations in different seasons.

Earth’s orbit around the Sun

400

Shadows appear longer during what time of the day?

Sunrise and sunset

400

The path one object takes as it moves around another object.

Orbit

500

Why does the sun look larger than the other stars in the sky, even though it is ACTUALLY smaller than other stars?

The sun is closer to the Earth, so it appears larger.

500

DOUBLE POINTS!!!

This is the difference between how bright an object truly is and how bright it appears.


ACTUAL brightness vs. APPARENT brightness

500

The sun rises in the _________ and sets in the ____________.

east; west

500

If the northern hemisphere is tilted towards the sun, this means the days are ______________.

Longer

500

What is the imaginary line that separates the Northern and Southern Hemispheres?

The equator

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