astronomy

(1.2 x 10^24)(2.0x 10^9)

• 2.4 x 10^33

• 2.1

• 4.5

• 1

For the dropping the ball down the hole thought experiment, the ball will have the least acceleration?

• at the center

• middle

• end

• top

mass of the earth

• 6 x 10^24 kg

• 25 x 10^2 kg

• 20000 kg

• 1 kg

For the dropping the ball down the hole thought experiment, the ball will be moving fastest?

• center

• middle

• end

• top

What would be the mass of a planet that has a radius of 6000 m, if it pulls on a 10 kg mass with a force of 100 N?

• 6 x 10^24 kg

• 250000 kg

• 2 x 10^24 kg

• 10 kg

Polaris is seen 25 degrees above the horizon, what is your latitude

• 25 degrees north

• 35

• 10

• 5

the ecliptic and equator are tilted how many degrees

• 20

• 21.2

• 23.5

• 7

Modern Constellations

• patterns of stars

• shapes of stars

• stars

• 88 well-defined regions on the celestial sphere

What is the apparent path of the sun on the celestial sphere?

• star

• sun

• ecliptic

• solar

Galilea Galilei (1594-1642)

• invented the car

• invented the modern view of science- a transition from faith-based science to observation-based science

• invented the light bulb

• invented the moon