I Just Need Some Space
The planet that is best suited for human life
What is Earth?
The least dense planet
What is Saturn?
There are ____ official dwarf planets
What is 5?
The location of the asteroid belt
What is between the inner and outer planets (between Mars and Jupiter)?
What is a solar nebula?
Another name for the inner planets
What are the terrestrial planets?
Another name for the outer planets
What are the gas giants?
This organization was the one to recategorize Pluto
What is the International Astronomical Union (IAU)?
Loose collection of ice, dust, and rocks that orbits the Sun in eccentric paths
What is a comet?
The two main gases that make up the Sun
What are hydrogen and helium?
Name the 4 planets considered the inner planets
What are Mercury, Venus, Mars, and Earth?
Name the 4 outer planets
What are Jupiter, Saturn, Neptune, and Uranus?
The main reason Pluto was characterized as a dwarf planet
What is: its largest moon is more than half its size, and they orbit each other
Object recognized by a streak of light in Earth's atmosphere
What is a meteor?
An AU is this many kilometers or this many miles
What is 150,000,000 kilometers or 93,000,000 miles?
These 2 planets are sometimes considered "twins"
What are Venus and Earth?
List Jupiter's 4 largest moons
What are Ganymede, Callisto, Io, and Europa?
Characteristics of a non-dwarf planet
What are...
- spherical in shape
- orbits the sun on its own, not another body
- has an orbital neighborhood clear of other objects
Part of the comet that is made out of rock and ice
What is the nucleus?
List every planet in order of smallest to biggest
List 3 important characteristics of the inner planets
What are being....
- relatively small sizes
- high densities
- rocky surfaces
List 3 important characteristics of the outer planets
What are having....
- relatively large size
- low densities
- gaseous surfaces
List all of the dwarf planets
What are Eris, Pluto, Huamea, Makemake, and Ceres?
"Life cycle" of a meteor
What is: Meteroid -> meteor -> meteorite