With Complete Solutions
21-centimeter radiation provides astronomers with information
on interstellar molecular hydrogen gas. correct answers False
A brown dwarf is correct answers a failed star
A lunar eclipse can happen during any phase of the moon.
correct answers False
A nova explosion is due to hydrogen fusion on the surface of a
white dwarf. correct answers True
A planetary nebula is the disk of matter around a star that will
eventually form a planetary system. correct answers False
A rainbow is created when correct answers light is refracted in
our atmosphere by water droplets
A solar flare is a violent explosive event in a solar active region.
correct answers True
A star of apparent magnitude +5 looks brighter than one of
apparent magnitude -2. correct answers False
A telescope in space has an advantage over one in Booneville in
that correct answers the one in space looks through no
atmosphere
,A total solar eclipse is more rare than a lunar eclipse because
correct answers the shadow of the moon is small
Absorption lines are produced when frequencies of light are
removed as that energy is absorbed by a cool gas. correct
answers True
According to the general theory of relativity, space is warped, or
curved, by dilithium crystals. correct answers False
Active optics correct answers use laser light to undo what the
atmosphere does
All of the energy that the Sun produces comes from the correct
answers core
Although parallax is good for measuring distances to heavenly
objects, it is never seen on Earth. correct answers False
Although visible light cannot escape from a black hole, high-
energy radiation, such as gamma rays, can escape. correct
answers False
An easy rule to remember about the light gathering power of a
telescope is correct answers bigger is better
Ancient astronomy/astrology was mostly concerned with correct
answers keeping track of time
, Ancient people known to have studied the motion of the stars
and planets were correct answers all of the above; Babylonians,
Chinese, Mayans
Another name for the proton-proton chain is correct answers
Nuclear Fusion
Another name for the protostar phase in which the contracting
gas cloud emits a large amount of solar wind is called correct
answers T Tauri phase
Aristarchus' idea that the sun was the center of the solar system
was not believed because correct answers all of the above;
Aristotle was considered to be the smartest person, stars did not
exhibit parallax, we don't feel like we're moving
As a cloud of gas contracts correct answers It spins faster
As a mass spins, rotational effects cause it to become correct
answers flat like a pizza
As you go up on the y-axis on the H-R diagram correct answers
Stars become brighter
As your latitude increases in number, you are correct answers
moving north
Astronomers have no way of detecting planets outside of our
solar system. correct answers False