Space2 Question Preview (ID: 49065)
Space.
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Which of the following best describes the dust, gas, and celestial bodies of the Milky Way Galaxy?
a) They experience gravity only if they have significant mass.
b) They orbit around the center of the galaxy because of gravity.
c) The farther away they are from the center of the galaxy, the more they are pulled by gravity.
d) The faster they move, the less gravity they experience.
Which of the following is a result of gravitational forces in the Solar System?
a) the radiation given off by Jupiter
b) that Saturn is farther away from the Sun than Earth is
c) the difference in surface temperature on each of the planets
d) the orbit of planets around the Sun in the Solar system
Stars are formed through
a) nuclear fusion
b) nuclear fission
c) photosynthesis
d) the fusing of Iron atoms
________ and ___________ are necessary for nuclear fusion to happen.
a) Water, atoms
b) Low temperatures, pressure
c) High temperatures, pressure
d) Hydrogen, Uranium
Our galaxy holds stars more than double the size of our Sun. So why does Earth rotate around the Sun and not around one of the bigger stars?
a) because as stars get more massive they have less gravitational force
b) Because although our Sun is smaller it is more dense than the other stars
c) Because of the Earth's gravity
d) because Earth is closer to the Sun and distance affects gravitational force
Which of the following are an advantage of space telescopes like Hubble?
a) they are indestructible and do not require maintenance
b) they are quickly give us data
c) they can take a picture of anything in space at any time
d) they are above the Earth's Atmosphere and so can get a clearer image of space
Which of the following is considered main evidence of the Big Bang Theory?
a) visible light
b) nuclear fusion
c) cosmic radiation and redshift
d) nuclear fission and nuclear fusion
When the elements of a star are redshifted then
a) the star is stationary
b) the star is moving away.
c) the star is moving toward you.
d) the star is spinning in a circle
Which of the following devices would be used to determine the elements present in a star?
a) space probe
b) telescope
c) spectroscope
d) satellite
Which of the following would create a Spring Tide?
a) when the moon is directly between the Earth and the Sun
b) when the moon is at 1st Quarter
c) when the moon is at 3rd Quarter
d) when the moon is a waning gibbous
A star is born when gas and dust from a nebula become so dense and hot that nuclear fusion starts. Which of the following forces is responsible for the formation of a star?
a) gravitation
b) electromagnetic energy
c) magnetism
d) friction
Everything in the Universe originated from a single point. How was it possible for everything in the Universe to have occupied a single point?
a) Only protons and electrons existed in the Universe, and they were pulled together by gravity.
b) Only single atoms existed in the Universe, and they were squeezed together by magnetic fields.
c) All mass in the Universe was once energy, and energy does not take up space.
d) All mass in the Universe was in the form of gases, and gases take up minimal space.
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