Lecture 7

Question 1

Big Bang Theory

Answer 1

The theory that the universe originated in a huge explosion that released all matter and energy.

Question 2

LETS MAKE A STAR

Answer 2

Gas begins to come together which heats up.

Gravity pulls everything together.

Question 3

Lifecycle of a star

Answer 3

• The star fuses H into He
• When H is used up He is fused to form C
  H / HE / C / O / Ne / Fe

Question 4

NEBULAR HYPOTHESIS

Answer 4

The theory that a solar system evolves from a hot gaseous nebula

German philosopher Immanuel Kant (1755)* Proposed solar system distilled from rotating, cloud of dust particles called solar nebula

Question 5

nuclear fusion

Answer 5

a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.

Question 6

Solar Wind

Answer 6

A stream of electrically charged particles produced by the sun’s corona.

Question 7

Meteorites

Answer 7

A meteoroid that passes through the atmosphere and hits Earth’s surface.

Question 8

How did the moon form?

Answer 8

The “Theia Impact”. A mars-sized Proto-Planet slammed into Earth