a solar system is born section Flashcards
1
Q
nebula
A
A large cloud of dust and gas in space
2
Q
solar nebula
A
A large cloud of gas and dust such as the one that formed our solar system
3
Q
nuclear fusion
A
2 isotopes of light elements (H) forced together at high temperatures till they fuse to form a heavier nucleus. Expensive, break even point not reached yet
4
Q
sunspot
A
a cooler darker spot appearing periodically on the sun’s photosphere
5
Q
crust
A
Earth’s outermost layer
6
Q
mantle
A
A sheath of tissue that encloses the vital organs of a mollusk, makes the mollusk’s shell, and performs respiration
7
Q
core
A
Congress of Racial Equality
8
Q
rotation
A
circular movement around an axis
9
Q
orbit
A
The path of an object as it revolves around another object in space
10
Q
revolution
A
Creating a 3D solid or surface by revolving a 2D shape about an axis.
