Science Review

What type of galaxy is the milky way?

What does colour, luminosity, and temperature tell you about a star? How are these factors related?

A meteor... [blank_start]burns up earths atmosphere[blank_end] A meteorite is... [blank_start]reaches earths surface[blank_end] A meteoroid is... [blank_start]a piece of rock floating through space[blank_end]

What makes something a satellite?

[blank_start]Artificial[blank_end] Satellite: Electronic; [blank_start]put in orbit by people[blank_end] [blank_start]Natural[blank_end] Satellite: (moon) [blank_start]Made by God[blank_end]

Label the beginning and end phases of the moon:

An equinox is the change in length of day(fall, spring)

A solstice is the change in length of day (Winter, summer)

The sun produces energy by burning hydrogen.

Black holes are back bcuz light can escape them.

How did people view space in the past?

Constellations are distinctive patterns in the night sky formed by group of stars

Polaris is important for navigation

The moon revolves at a different rate that it rotates.

When the earth moves between the sun and the moon it is called a lunar eclipse.

The life cycle of a high mass star: [blank_start]nebula[blank_end]---[blank_start]protstar[blank_end]---[blank_start]massive main sequence[blank_end]---[blank_start]supergiant[blank_end]---[blank_start]supernova-[blank_end]--[blank_start]black hole/neutron[blank_end]

What evidence supports the Big Bang Theory?

Both the Doppler effect and red shift have change in wave length b/c of motion/distance

Earth tilted towards the sun= summer, tilted away= winter

The earth orbits in a perfect circle.

Nicolas Copernicus...

Annie Jump Cannon...

Earth Based Technology

Space based Technology

Satellites: [blank_start]Relay info[blank_end] Probes:[blank_start]collect info[blank_end] Rovers:[blank_start]test surface[blank_end] Optical telescopes: [blank_start]closer look at space[blank_end] Non-Optical telescopes: [blank_start]radio waves and xrays[blank_end]