Movement Review

Question 1

Rotates/Revolves

Answer 1

• Earth Rotates around its axis once a day and Revolves around the Sun once each year

Question 2

Earth’s movements

Answer 2

Rotates in the same direction it orbits; counterclockwise as viewed from above the North Pole

Question 3

Sun’s Movement

Answer 3

Sun moves randomly relative to other stars in the local solar neighborhood
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Question 4

Expanding Universe

Answer 4

Hubble Discovered

• All galaxies outside our Local Group are moving away from us
• The more distance the galaxy, the faster it is racing away
• Therefore, we live in an expanding universe
• This is like a loaf of raisin bread with the “local raisin” seeing all other raisins moving away

Question 5

Star’s “Movement”

Answer 5

-Earth rotates from west to east, so stars appear to circle from east to west

-Stars near the north celestial pole are circumpolar and never set
-We cannot see stars near the south celestial pole
-All other stars (and sun, moon, planets) rise in east and set in west