Planets and Moons

Goatse. i has broken it?

133 cards   |   Total Attempts: 182
  

Cards In This Set

Front Back
The band of constellations through which the planets appear to move as observed from Earth is called the ....
Zodiac
Retrograde motion of Mars was explained in the geocentric system by using a geometric construct called the ....
Epicycle
The geocentric system is also called the ..... system.
Ptolemaic
True or False: Copernicus is famous for defending the geocentric system.
False
The first real evidence for the prediction of the heliocentric model that not all celestial bodies orbit the Earth was found by the Italian astronomer .....
Galileo
True or False: Kepler is famous for his telescopic investigations of the planets
False
What law of motion of Newton can be described as 'F=ma'?
2nd
The density of matter is mass divided by ....
Volume
The density of Jupiter is larger/smaller/the same than that of water
Larger
The most abundant element in the solar system is .....
Hydrogen
The second most abundant element in the solar system is ....
Helium
An astronomical unit is approximately equal to how many million kilometers?
150
Deuterium has a neutron in addition to a proton in its nucleus and is therefore one of the .... of hydrogen.
Isotopes
The phase diagram of water shows that under sufficiently low pressures water ice when heated goes immediately into the ...... phase without turning into a ...... first.
Gas; liquid
By mass, there is approximately 1/2/3/4 (Choose one) times more hydrogen than helium in the solar system
3