A massive system of stars, star clusters, interstellar gas and dust, and dark matter bound together by gravity.
Stars are just bright spheres of ____ held together by their own gravity.
What things can be found in our solar system?
Name 3
Answers Vary
Planets, Moons, Stars, Asteroids, Comets, Satellites
How many moons does Earth have?
Does the moon orbit the Earth or does the Earth orbit the moon?
The moon orbits the Earth.
How old is the universe?
14 billion years old
The collection of eight planets and their moons in orbit around the sun, along with smaller bodies such as asteroids, meteoroids, and comets.
Solar System
What is the closest star to the Earth?
The Sun
Demonstrate what it looks like for Earth to make one complete rotation (24 hours).
Explain what happens when there is a total solar eclipse.
The light from the sun is completely blocked by the moon. Earth is dark.
Put these in order from smallest to largest:
Solar System, Universe, Stars, & Galaxy
Stars, Solar System, Galaxy, & Universe
The _____ ______ is the galaxy that contains our solar system.
Milky Way
Groups or patterns of stars are called:
Constellations
What is Earth orbiting for an entire year?
The sun!
FREE POINTS FREE POINTS FREE POINTS
FREE POINTS FREE POINTS FREE POINTS
A galaxy is a collection of ____, ____, and stars held together by gravity.
dust
gas
The ___ ___ ______ is significant because it provides the best explanation for the origin and evolution of the universe.
Big Bang Theory
What is this constellation known as?
The Big Dipper
Name all 8 planets.
Hint: My Very Excellent Mother Just Served Us Nachos
DOUBLE JEOPARDY
What planet used to be part of our solar system, but no longer is?
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
Pluto!!
What is it called when the moon moves between Earth and the sun, where it blocks the view of the sun from Earth.
Solar Eclipse
What is this image showing us?
The amount of time it takes each planet to go around the sun.
A celestial object consisting of a nucleus of ice and dust and, when near the sun, a "tail" of gas and dust particles pointing away from the sun.
Comet
How many stars are in the universe?
Unknown...approximately BILLIONS
Which planet in our solar system is most similar to Earth?
Mars or Venus
What is it called when Earth moves between the sun and the moon and casts a shadow on the moon.
Lunar Eclipse
Which planet is farthest from the sun?
Which planet is closest to the sun?
Neptune
Mercury