Astronomy Test Review Question Preview (ID: 41280)

Review For Astronomy Unit Exam.[print questions]

The most massive star will end with this explosionL
a) nova
b) supernova
c) pulsar
d) quasar

What is a light-year?
a) the distance light travels in a year
b) the time it takes to travel to a star
c) the speed of light in a year
d) the distance to the sun

How and when a star dies depends upon its ________.
a) luminosity
b) temperature
c) density
d) mass

In order , the five stages of a low-mass star (like the Sun) are:
a) protostar, massive star, supergiant, nova, black hole
b) protostar, main sequence, supergiant, nova, black hole
c) protostar, main sequence, giant, planetary nebula, neutron star
d) protostar, main sequence, giant, planetary nebula, white dwarf

What lies at the center of our solar system?
a) Mercury
b) Pluto
c) Halley's comet
d) the Sun

Which of the following is a TRUE statement regarding Kepler's planetary laws?
a) the path a planet takes around the Sun is a circle
b) the closer a planet is to the Sun, the slower it moves in its orbit
c) the time it takes a planet to revolve is proportional to its distance from the Sun
d) the galaxies are getting bigger

Which of the following best summarizes Kepler's third law of motion?
a) the farther a planet is from the Sun, the shorter the period of revolution
b) the farther a planet is from the Sun, the longer the period of revolution
c) all planets have the same period of revolution
d) all planets are an equal distance from the Sun

What causes the Earth to have seaons?
a) the rotation of Earth on its axis
b) the tilt of Earth's axis
c) nutation
d) the barycenter of the Sun

What is it called when the Earth is CLOSEST to the Sun?
a) aphelion
b) perihelion
c) during an eclipse
d) at the foci

What is the shape of a planet's orbit around the Sun?
a) circle
b) a straight line
c) ellipse
d) irregular

Which movement is responsible for day and night?
a) revolution
b) precession
c) nutation
d) rotation

Which of the following is evidence for the Big Bang Theory?
a) cosmic foreground radiation
b) red shift
c) blue shift
d) global warming

The universe began about
a) 15 million years ago
b) 4.6 billion years ago
c) 14 billion years ago
d) 50 billion years ago

What time frame is based on this celestial observation: full moon to the next full moon?
a) 1 Day
b) 1 Week
c) 1 Month
d) 1 Year

What is the phase of the moon needed for a solar eclipse?
a) new
b) first quarter
c) full
d) third quarter

The Moon has a greater effect on ocean tides than the Sun because the Moon is
a) closer to Earth.
b) brighter.
c) heavier.
d) smaller.

Kepler's first law of planetary motion states that
a) the Sun is a the center of the solar system.
b) planets orbit the Sun in elliptical orbits, with the Sun located at one foci.
c) planets orbit the Sun in circular orbits, with the Sun located at the center.
d) gravity provides the force that holds the planets in orbit about the Sun.

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