UNIVERSE
Everything that exists including space, galaxies, stars, planets, and time.
What is the universe?
The star at the center of our solar system.
What is the sun?
The most famous dwarf planet that used to be called a planet.
Pluto
A chunk of rock and metal that orbits the Sun.
➡️ What is an asteroid?
A giant ball of hot gas that produces its own light and heat.
➡️ What is a star?
A massive collection of gas, dust, billions of stars, and solar systems held together by gravity.
What is a galaxy?
The collection of the Sun, planets, moons, asteroids, and comets that orbit it.
What is the solar system?
The dwarf planet located in the asteroid belt.
Ceres
A meteoroid that burns up in Earth’s atmosphere creating a shooting star.
➡️ What is a meteor?
The process inside stars that produces energy.
➡️ What is nuclear fusion?
The galaxy that contains our solar system.
What is the Milky Way?
The rule that says a planet must have enough gravity to clear other objects from its orbit.
What is this rule called?
What is the planetary orbit rule?
Why Pluto is no longer considered a planet.
➡️ It shares its orbit with other objects
A piece of rock from space that lands on Earth.
What is a meteorite
The layer of a star where fusion occurs.
Scientists estimate the universe contains about this many galaxies.
What is about 100 billion galaxies?
Number of planets in our solar system...name them for bonus
8
Name them for bonus
Why Ceres is considered a dwarf planet.
It is round
It orbits the sun
Doesn't clear its own path
An icy object that orbits the Sun and forms a glowing tail when near the Sun.
Comet
The color of the hottest stars.
Blue!
A huge region of space that contains very few galaxies.
Cosmic Void
The three main criteria for something to be considered a planet.
Orbits the sun
Is round
cleared its own orbital path
The distant region of icy objects where Pluto and many comets come from.
A huge cloud of icy objects that surrounds the outer edge of the solar system.
The OORT CLOUD
The closest star to Earth.
Our Sun!