ASTRONOMY 101 EXAM 2
Which of the following are terrestrial planets?
a) only earth
b) earth, moon, and Venus
c) mercury, Venus, earth, and mars
d) mercury, Venus, mars, moon, earth, and Pluto
e) mercury, Venus, earth, moon, mars, and ceres
What causes a meteor shower?
a) A comet and an asteroid collide.
b) Earth runs into a stray swarm of asteroids.
c) Earth runs into the debris of an old comet littering its orbit.
d) Meteorites are ejected from the Moon.
e) Debris from a supernova enters Earth's atmosphere
The terrestrial (inner) planets are characterized by
a) low density
,b) rapid rotation
c) large size
d) rocky composition
Most asteroids are found
a) beyond the orbit of Neptune.
b) between Earth and the Sun.
c) between Mars and Jupiter.
d) in the orbit of Jupiter, but 60 degrees ahead or behind it.
e) orbiting the Jovian planets in captured, retrograde orbits.
The condensation sequence theory explains why
a) our planet Earth has water and rain.
b) stars are more likely to form large planets orbiting very near.
c) terrestrial planets are different from jovian planets.
d) the Moon formed near to Earth.
e) Pluto has such a circular orbit
, So, few extrasolar planets the size of Earth have been seen with current
techniques because
a) small planets probably don't exist.
b) the large planets nearby have swept them up.
c) Earth-like planets take time to form.
d) large planets orbiting near to their stars are more easily detected.
e) small planets can only be seen if they cross in front of their star
What is the most abundant gas in Earth's atmosphere?
a) oxygen
b) hydrogen
c) nitrogen
d) carbon dioxide
e) argon
Place the statements concerning lunar formation below in chronological order
from the time of formation.
I. coalesced from orbiting debris
II. cooling of interior
Which of the following are terrestrial planets?
a) only earth
b) earth, moon, and Venus
c) mercury, Venus, earth, and mars
d) mercury, Venus, mars, moon, earth, and Pluto
e) mercury, Venus, earth, moon, mars, and ceres
What causes a meteor shower?
a) A comet and an asteroid collide.
b) Earth runs into a stray swarm of asteroids.
c) Earth runs into the debris of an old comet littering its orbit.
d) Meteorites are ejected from the Moon.
e) Debris from a supernova enters Earth's atmosphere
The terrestrial (inner) planets are characterized by
a) low density
,b) rapid rotation
c) large size
d) rocky composition
Most asteroids are found
a) beyond the orbit of Neptune.
b) between Earth and the Sun.
c) between Mars and Jupiter.
d) in the orbit of Jupiter, but 60 degrees ahead or behind it.
e) orbiting the Jovian planets in captured, retrograde orbits.
The condensation sequence theory explains why
a) our planet Earth has water and rain.
b) stars are more likely to form large planets orbiting very near.
c) terrestrial planets are different from jovian planets.
d) the Moon formed near to Earth.
e) Pluto has such a circular orbit
, So, few extrasolar planets the size of Earth have been seen with current
techniques because
a) small planets probably don't exist.
b) the large planets nearby have swept them up.
c) Earth-like planets take time to form.
d) large planets orbiting near to their stars are more easily detected.
e) small planets can only be seen if they cross in front of their star
What is the most abundant gas in Earth's atmosphere?
a) oxygen
b) hydrogen
c) nitrogen
d) carbon dioxide
e) argon
Place the statements concerning lunar formation below in chronological order
from the time of formation.
I. coalesced from orbiting debris
II. cooling of interior
