Plantets
This is the only planet known to have life
Earth
A star's color tells us this about the star
How hot it is
A star is a giant ball of this
hot gas
A constellation is this kind of thing we see from Earth
A pattern of stars
The Sun is this kind of object, and it is the closest one to Earth
A star
This planet is called the Red Planet because its soil is like rust
Mars
Stars that look blue or white are this compared with red star
Hotter
This is the longest, most stable stage of a star's life
The main sequence
Best seen in winter, this constellation has three bright stars in a row
Orion
(Orion's Belt)
The Sun is made of hot gases, not this
Solid ground
This is the largest planet in our solar system
Jupiter
Stars form inside these large clouds of gas and dust
Nebulae
When a star starts running out of fuel, it cools, turns red, and expands into this
A red giant
This constellation contains the Big Dipper, and its bowl points toward the North Star
Ursa major
(The Great Bear)
At the center of the Milky Way is this object with very strong gravity .
A super massive black hole
Famous for its rings, this planet has more moons than any other
Saturn
Stars look like tiny dots in the sky for this reason
They are extremely far away
After a star pushes its outer layers into space, this glowing cloud forms
A planetary nebula
This constellation looks like a curved S shape with a long tail and is best seen in summer
Scorpius
The Sun's gravity is the strongest in the solar system, and it does this for all 8 planets
Keeps them in orbit
This planet spins on its side, so each side gets 42 years of sunlight and then 42 years of darkness
Uranus
Stars do not shine forever. Over time they do this.
Use up their energy and change as they age.
This leftover hot core is about the size of Earth and cools slowly over a very long time
A white dwarf
Look for the Great Square of four stars in the fall to find this winged horse.
Pegasus
Just as Earth orbits the Sun, our Sun and the whole solar system orbits this.
The center of the Milky Way