Astronomy Chapter 3: Question Preview (ID: 23030)

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Nuclear fusion results when
a) atoms are split apart
b) a star runs out of fuel
c) gases and dust rotate and are pressed together by strong gravity
d) planets glow at night

A star nursery where new stars are born
a) universe
b) nebula
c) neutron
d) nuclear fusion

Newton invented
a) the refracting telescope used to show the Earth revolves around the sun
b) the H-R Diagram
c) reflecting telescope used to collect radio waves
d) reflecting telescope, the type used by astronomers today

A device used to collect radio waves from objects in space is called
a) radio telescope
b) reflecting telescope
c) refracting telescope
d) recycled telescope

A star system in which one star blocks the light from another is called
a) constellation
b) nebula
c) eclipsing binary
d) black hole

When a star runs out of fuel, it CANNOT become a
a) neutron star
b) white dwarf
c) black hole
d) protostar

The distance between the crest of one wave of electromagnetic radiation and the crest of the next one is its
a) wavelength
b) frequency
c) color
d) spectrum

Patterns of stars in the sky are called
a) galaxies
b) constellationa
c) star systems
d) observatories

Which of the following is not part of the electromagnetic spectrum?
a) radio waves
b) sound waves
c) X-rays
d) infrared radiation

A star begins in a
a) black hole
b) nebula
c) red giant
d) distant galaxy

A neutron star that appears to produce pulses of radio waves
a) quasar
b) binary system
c) black hole
d) pulsar

The earliest stage of a star's life is
a) protostar
b) giant star
c) quasar
d) white dwarf

The Heretzsprung-Russell diagram graphs a stars
a) diameter and brightness
b) distance and brightness
c) brightness and temperature
d) brightness and absolute magnitude

Parallax can't be used on a star if the star is too
a) close
b) bright
c) small
d) far

A light-year is a unit of ____
a) time
b) distance
c) mass
d) absolute magnitude

How long a star lives depends on
a) its color
b) whether it is single or binary
c) its mass
d) its temperature

A quasar is a type of
a) star
b) universe
c) pulsar
d) galaxy

The hottest stars are
a) blue-white in color
b) red-orange in color
c) yellow in color
d) violet in color

Brightness of a star as seen from Earth
a) absolute magnitude
b) apparent magnitude

Our sun is a
a) main sequence star
b) red giant
c) white dwarf
d) old star

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