Galaxies of the Universe
A system of millions to billions of stars, dust, and gas clouds.
What is a galaxy?
A large sphere of super hot plasma that is able to give off light.
What is a star?
Planet with the largest volcano.
What is Mars?
This is made of rock and ice and orbits the sun.
What is a comet?
This is the force of attraction between one object of mass and another object of mass.
What is Gravity?
This outer planet is the largest and has a great red spot that is actually a storm.
What is Jupiter?
This is where stars are born.
What is a nebula?
The super-bright explosion of a dying massive star.
What is a supernova?
The smallest planet.
What is Mercury?
This is what we call a meteor that gets burned up as it enters Earth's atmosphere.
What is a shooting star?
As distance increases, gravitational force does this.
What is decreases?
This is an ice giant that is blue green.
What is Uranus?
This is the distance that light can travel in one year.
What is a light year?
This is the process that happens in the core and creates the energy for the sun.
What is Nuclear Fusion?
The planet that is in the "Goldilocks" zone
What is Earth?
This is a massive chunk of rock that orbits the sun.
What is an asteroid?
As mass increases, gravitational force does this.
What is increases?
This planet has rings and a storm called the Great Dark Spot ( although it is no longer there)
What is Neptune?
This is the galaxy that Earth is located in.
What is The Milky Way Galaxy?
In the sun, as in most stars, this element fuses together to make this new element.
What are Hydrogen and Helium?
The hottest planet has this element in its atmosphere creating a greenhouse effect.
What is Venus?
This is what scientists believe caused the extinction of the dinosaurs.
What is an asteroid?
This is the force that causes objects to be shaped like a sphere.
What is Gravity?
This planet has the most rings.
What is Saturn?
Galaxies are categorized by shape and fall into one of these three shapes.
What are Spiral, Elliptical, and Irregular.
Distances to stars are measured in this unit.
What is Light Years?
This is the other name for the inner planets.
What are Terrestrial Planets?
Some comets have long periods lasting up to thousands of years and usually come from the outer most region of our galaxy called this.
What is the Ort Cloud?
This object in space is so massive that its gravity causes everything near it to get sucked in.
What is a Black Hole?
Two of the outer planets are called this and the other two are called this.
What is gas giants and ice giants?