Astronomy Question Preview (ID: 36707)
Origin Of The Universe, Stars, How Objects In The Solar System Are Related.
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Stellar evolution is ...
a) the process by which a star changes over the course of time.
b) hypothesis describes the formation of our solar system from a nebula cloud made from a collection of dust and gas.
c) a telescope can be used to to look at the planets
d) the magnitude (brightness) of a celestial object
The Solar Nebular Theory is...
a) the magnitude (brightness) of a celestial object
b) hypothesis describes the formation of our solar system from a nebula cloud made from a collection of dust and gas.
c) distance the planets are from the sun
d) the laws of gravity explained why the planets orbit the sun
Apparent magnitude is used to describe...
a) the magnitude of a star as it appears to an observer on the earth
b) the magnitude (brightness) of a celestial object
c) locate the distance between the planets
d) the Laws of Gravity
Absolute magnitude is used to determine...
a) the Laws of Gravity
b) locate the distance between the planets
c) that the sun is at the center of the universe
d) the magnitude (brightness) of a celestial object
Scientists use the Hertzsprung-Russell diagram to...
a) explain the Laws of Gravity
b) tell time
c) graphical tool that astronomers use to classify stars according to their luminosity, spectral type, color, temperature
d) observe celestial bodies through a tube-like instrument
Telescopes are used for...
a) recording days, weeks, and months
b) a piece of equipment shaped like a tube, used for making distant objects look larger and closer; observing celestial bodies
c) as a clock to tell time
d) the explain the Laws of Gravity
Hubble proved...
a) the laws of graviy
b) that other galaxies exist beyond the Milky Way
c) the sun is at the center of the universe
d) the Earth is at the center of the universe
Copernicus' Theory said...
a) the Earth is at the center of the universe
b) the laws of gravity explained why the planets orbit the sun
c) the sun is at the center of the universe
d) a telescope can be used to to look at the planets
The Laws of Gravity were explained by whom
a) Isaac Newton
b) Galileo
c) Hubble
d) Brahe
red shift
a) a red dress
b) the color of a car's gear shift
c) the solar system particularly Venus
d) scientists use this to determine how far away a distant object is
Stellar distance is...
a) distance the planets are from the sun
b) observing the location of a star at different times of the year as Earth orbits
c) Big Band Theory
d) the Doppler effect
a system of millions or billions of stars, together with gas and dust, held together by gravity
a) galaxies
b) planets
c) moon
d) stars
the Doppler effect is
a) a gravitational pull
b) the structure of the universe
c) a change in frequency of sound or light waves
d) a system of stars
theory that the universe began as very hot, small, and dense, with no stars, atoms, form, or structure
a) Doppler Theory
b) Big Bang Theory
c) Newton Theory
d) Law of Gravity Theory
The Law of Gravity is...
a) the magnitude (brightness) of a celestial object
b) the process by which a star changes over the course of time.
c) any two masses attract each other with a force equal to a constant (constant of gravitation) multiplied by the product of the
d) hypothesis describes the formation of our solar system from a nebula cloud made from a collection of dust and gas.
The tendency of a body at rest to remain at rest or of a body in motion to stay in motion in a straight line unless acted on by an outside force
a) inertia
b) Law of Gravity
c) Big Bang Theory
d) Doppler effect
a kind of radiation including visible light, radio waves, gamma rays, and X-rays, in which electric and magnetic fields vary at the same time
a) inertia
b) stellar evolution
c) electromagnetic radiation
d) red shift
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