Which force is greater, Earth's pull on your body or your body's pull on the Earth?
They are the same strength
Who discovered that planets move in elliptical orbits?
Kepler
Which phase of the Moon would you expect to see high in the sky at 6:00 PM
First Quarter
A pocket of air that is moving due north in the northern hemisphere will be deflected eastward by the Coriolis force. T/F
True
Convection in the Earth's outer core gives rise to the Earth's magnetic field. T/F
True
The mantle of the Earth is made mostly of iron and nickel. T/F
False
The temperature in the Troposphere increases with altitude due to the ozone layer. T/F
False
The light gathering power of a telescope is determined by
its collecting area
Two asteroids are observed by an infrared telescope. Asteroid A has a spectrum that peaks at a wavelength of 0.001 cm, and asteroid B peaks at 0.00001 cm. Which one is hotter?
Asteroid B
If you triple your distance from an object, what happens to its angular size?
It decreases by a factor of 3
During the summer solstice, the Sun will set
north of west
During which season is the Earth closest to the Sun?
winter in the northern hemisphere
In order for an object's speed and/or direction of motion to remain constant, it must have a net force acting on it. T/F
False
What is the name of the set of constellations near the ecliptic?
zodiac
When the Moon passes through the shadow of the Earth, there is a
lunar eclipse
Wien's law allows astronomers to measure what property of a star?
the temperature of the a star
Over the course of a month, an observer at any given location on Earth sees the location of the Moon gradually move from West to East relative to the fixed background stars. This is caused by
the orbital motion of the Moon around the Earth
The period of a planet (P) squared is proportional to its semi-major axis (a) to the third power (i.e., P2= a3), is a statement of
Kepler's 3rd law
Which kind of seismic wave can travel through the liquid outer core of the Earth?
P-Waves
A cool cloud of gas in front of a hot star like the Sun would produce
an absorption line spectrum
One of the most important aspects of the Greenhouse effect is the fact that the surface of the Earth absorbs optical light from the Sun and re-emits it as
infrared light
Spectral lines shifted toward lower frequencies are called
red shifted
When an electron goes from a lower energy level (or orbit) to a higher energy level, it
absorbs a photon
The magnetic field that surround Earth trap charged particles from the Sun in the
Van Allen belt
Which regions of the Moon's surface are younger?
The maria
Tidal breaking is causing the Moon to move
farther from the Earth
The Tharsis Bulge on Mars likely caused
all of the above
Mars' polar ice caps are composed primarily of
water and carbon dioxide
This planet has two known moons
Mars
Which terrestrial planet has a primarily nitrogen atmosphere?
Earth
Which Jovian planet has the lowest mass?
Uranus
What is the name of the largest satellite (Moon) in the solar system
Ganymede
The satellites of Jupiter are on average lower density than those of Saturn due to heating from Jupiter during their formation. T/F
False
Which minerals condense at higher temperatures?
Iron/Nickel
Which planet has a larger fraction of iron/nickel in its core?
Mercury
The lava flows on Venus are more viscous than Earth's because the liquid rock
has a lower water content than Earth
The atmosphere of Venus is about 96% ____.
Carbon Dioxide
The Martian atmosphere is mostly
carbon dioxide
Why is the greenhouse effect weaker on Mars than on Earth or Venus?
Mars atmosphere is thinner
The Jovian planets likely formed in the region of the solar nebula where
H2O ice was able to form
Rank the terrestrial planets based on mass, from greatest to least?
Earth, Venus, Mars, Mercury
This planet has the largest volcano in the solar system
Mars
Venus, Earth and Mars were all believed to have had water oceans in the past. T/F
True
Global warming on Earth is correlated with
the rise in atmospheric CO2
Enceladus is an icy moon of which planet?
Saturn
Short period comets likely originate in the
Kuiper Belt
Which part of the comet points directly away from the Sun?
The ion tail
Carbonaceous chondrites are special meteorites that have _______ in them.
amino acids