Key Concepts
___ are very far away from Earth in every direction.
What are stars?
Earth pulls objects down towards the ground with the force of ____.
What is gravity?
How far is the Earth from the Moon?
What is 30 Earths?
The time the stars and moon is visible.
What is nighttime?
The constellation that has 3 stars in a row on its belt.
What is Orion?
The sun is the only star in our _____. Other stars are far outside our ______.
What is a solar system?
a tool for observing objects in the night sky that are very far away.
What is a telescope?
How long it takes for Earth to complete one orbit around the sun.
What are 365 days or one year?
How long it takes for Earth to complete one spin.
What is 24-hours or one day?
True or false: All stars in a constellation are the same distance away from Earth. That is why we see their shape in the sky.
What is false?
The sun looks bigger and brighter because it is much _____ to Earth than other stars.
What is closer?
The gravitationally bound group of objects that orbit the Sun, either directly or indirectly.
What is the solar system?
This determines which stars we see in the night sky.
What is the season Earth position is in?
The stars rise in the ____.
What is east?
The constellation that looks like a square. Known as the "GREAT SQUARE".
What is Pegasus?
The sun is the only star we can see in the daytime because the sun looks so ______.
What is bright?
The reason why some constellations are visible in the Northern Hemisphere but not in the Southern Hemisphere.
Why Earth revolves around the Sun?
The number of Earths it takes to fit from one side of the sun to the other.
What is 110 Earths?
Shadows generally begin moving from the ____ due to the Earth's rotation.
What is the west?
What are the same date, and same stars?
Earth ____ once each day. We face the sun in ____, and we face away from the sun at _____.
What is spin, daytime, and nighttime?
a unit of measurement that is equal to the distance light travels in a year
What is a light-year?
The number of stars visible in the night sky and is closest to Earth than the sun.
None of them.
The time when you will last see a constellation just before the light of our star blocks out their light.
What is sunrise?
The constellation that appears during the summer.
What is the constellation Ophiuchus?
Earth ____ the sun at the same time as it ____.
What are orbits and spins?
An arrangement of stars as seen from Earth.
What is a constellation?
The amount of time it takes light to travel across the solar system once.
What is about 12 hours?
The earth spins this way if you look at it from the top in outer space.
What is counterclockwise? (to the left as mount nose model)
Can be seen only a few months at a time depending on the time of year.
What is Constellations?