Planets!
The Sun!
Man-made Objects In Space!
Natural Objects In Space!
Stars!
100
This is the largest planet in the solar system.
What is Jupiter?
100
These are dark areas on the sun's surface.
What are sunspots?
100
These are human made objects which have been sent into orbit around Earth to relay communications, take pictures, and perform other tasks.
What are satellites?
100
This is a HUGE system of gas, dust, and stars. Our solar system is found at one of the far edges of it.
What is the Milky Way Galaxy?
100

This is a large rotating cloud of dust and gas where stars are formed.

What is a nebula?

200
Small and recently re-classified as a dwarf planet, this is the littlest planet found furthest out in our solar system.
What is Pluto?
200
The sun, and all bodies that orbit around it form this.
What is the solar system?
200

This home orbiting the earth is where many astronauts and researchers live. It was built by the efforts combined by many countries around the world and often has space ships dock with it to drop off supplies and exchange crew members.

What is the International Space Station?

200
This is a small, orbiting body made up of dust, ice, and frozen gases. The solid center of this is its nucleus, and like all objects in the solar system it orbits the sun.
What is a comet?
200

This non-contact force that acts on objects and causes stars, planets and galaxies to form.

What is gravity?

300

This is known as the red planet and has the solar system's largest mountain, Olympus Mons.

What is Mars?

300
All objects in the solar system travel around the sun in this kind of orbit that is not circular, but more oval shaped.
What is elliptical orbit?
300

This older giant object orbits the earth and takes pictures in Visible and UV light.

What is the Hubble Space Telescope?

300
This is a chunk of matter that enters our atmosphere and is heated by friction with the air to the point of burning up as it falls towards the Earth.
What is a meteor?
300
In this process, the nuclei of atoms fuse together to form a larger nucleus.
What is nuclear fusion?
400
This is the 8th planet from the Sun, and is made of mostly hyrdrogen, helium, and methane gas.
What is Neptune?
400
This is the innermost part of the sun where it's energy is generated.
What is the core?
400

This giant object obits the Sun in a Lagrange Point where takes pictures of stars and galaxies in Visible and Infrared light.

What is the Webb Space Telescope?

400

These spherical clusters of thousands of stars are located around the disk of the Milky Way galaxy and all formed at the same time.

What are globular clusters?

400

A majority of stars fall in to this category on the H-R Diagram.

What is the Main Sequence?

500

These are the three conditions for a planet to "count" as a planet.

What is orbit a star, massive enough to be spherically shaped and cleared it's orbit?

500
The sun's rays strike Earth most directly along here.
What is the equator?
500

This spacecraft landed the Huygens probe on Saturn's moon Titan and orbited Saturn for many years studying it.

What is Cassini?

500

The aurora or northern lights is caused by what two celestial bodies interacting?

What are the Sun and Earth?

500

This is the approximate life time of a star that is 40 times the mass of the Sun.

What is millions of yeares?

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