Earth in space
How many planets are known to support life?
1 -Earth
What are asteroids made of?
Asteroids: chunks of metal and rock
Earth is the ____-largest planet in our solar system and the _____ planet from the sun.
Fifth, Third
The sun rises in the __________ and sets in the _________
East, West
Earth's Moon is named ________
Luna
How old is our Earth?
4.5 Billion years old
Where is our solar system located?
In the Milky Way
Name the Gas giants
Jupter
Saturn
What gases is the sun made of?
Hydrogen
Helium
True or False: The dark spots on Earth's moon Luna are from lava that oozed out after asteroids and comets hit the surface.
True
What does Geocentrism mean?
Geocentrism: The belief that the sun and other planets revolve around the Earth.
What is the force that governs the structure and motion of the solar system, keeping celestial bodies together in a cosmic dance?
gravity
Name the Terrestrial Planets
Mercury
Venus
Earth
Mars
What is anchoring the planets, asteroids, comets and other objects in orbit around it?
Sun's massive gravitational field
A deep responsibility to preserve and cherish our planet
What is NASA's job?
NASA is searching for life on other worlds in our solar system and beyond
Ever since ____________________________ famously talked about gravity, its dominance as a force in our solar system has been well known.
Isaac Newton
Name the Ice giants
Uranus
Neptune
True or False: The sun releases a steady stream of charged particles called the solar wind
True
What planets have no moons?
Mercury and Venus
What qualities does the Terrestrial Planets have?
Rocky
Solid surface
No rings
small
Few moons
What are comets made of?
Comets: chunks of dirt and ice
Name the planets starting from the sun
1. Mercury
2. Venus
3. Earth
4. Mars
5. Jupiter
6.Saturn
7. Uranus
8. Neptune
What does Heliocentrism mean?
Heliocentrism: The belief that other planets and Earth revolve around the Sun
How long does it take to complete one orbit around the galactic center?
230 million years