Solar System
What force holds the solar system together?
At what degree is the Earth's axis tiled to?
23.5 Degrees
The first four innermost planets are referred to as what?
Terrestrial
Crust
What is the lowest layer of the atmosphere?
Troposphere
The sun produces heat and light through which process?
Nuclear Fusion
What does Earth do every 24 hours on its axis?
Full rotation
The last four outermost planets are referred to as what?
Gaseous
Which layer is responsible for Earth's magnetic field?
Outer Core
Which layer do meteors entering Earth's atmosphere burn up?
Mesosphere
Through fusion, the sun converts hydrogen into what other element?
Helium
How old is planet Earth?
4.6 Billion Years Old
Which methane heavy planet is tilted at a 98 degree angle on its axis?
Uranus
What two elements comprise the core of the planet?
Iron and Nickel
Which layer holds the ozone layer?
Stratosphere
Our solar system is located within which spiral arm?
Orion's Arm
When a meteroid enters a planet's atmosphere, it is called a what?
Meteorite
Which planet has a very heavy runaway greenhouse effect?
Venus
Which crust is made mostly of granite?
Continental Crust
Which layer can exceed temperature heat of 2,700 degrees Farenheit?
Thermosphere
The icy, disk shaped region beyond Neptune that is filled with dwarf planets is referred to as?
Kuiper's Belt
Why is Pluto considered a dwarf planet?
It does not have a cleared orbit during its revolution around the sun.
Which terrestrial planet has no atmosphere?
Mercury
The inner core remains solid, while the outer core is liquid. Why?
The immense pressure in the inner core.
Satellites orbit which layer?
Exosphere