Tes 1 Review from Class

How many Earth would fit across the Sun?

110

How many suns will fit between the Earth and Sun?

110

When did the first stars form?

13.3 billion years ago

How old is the universe?

13.7 billion years old

How many Earth/moon orbits will fit across the Sun?

2

How many Earth-Moon orbits would fit between Earth and Sun?

220

How many degrees is the celestial equator and ecliptic apart?

23.5 degrees

How many Earths would fit between the Earth/Moon distance?

30

How many moons would fit across the diameter of the Earth?

4

What is Kepler's second law?

equal areas sweep out in equal time, ONE PLANET

What is Kepler's third law?

a3=p2; TWO PLANETS

When the full moon is on the right, the darkness disappears from the _____.

right

When the new moon is on the left, the darkness starts from the ______.

right

What did Tycho discover?

supernova

What did Copernicus want?

symmetry in perfect circles

What is Kepler's first law?

the Sun lies at one focus

What did Kepler discover?

built upon the Copernican revolution, 3 laws that could describe planet motion but didn't know why

How old is the afterglow light pattern?

400,000 years

What is the recycling in the universe pattern?

Big Bang, processing of stars, nuclear fusion, blow up