Galaxies And Space Technology: Question Preview (ID: 32694)

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This galaxy has no definite shape
a) irregular
b) spiral
c) spinny
d) elliptical

This galaxy has spherical or flattend disks
a) elliptical
b) spiral
c) spinny
d) irregular

The galaxy that our solar system is in
a) Milky Way
b) M and M
c) Snickers
d) Skittles

Worldwide timing and navigation system that utilizes 24 satellites
a) GPS (global positioning system)
b) PGS

This shape galaxy has a nucleus of bright stars and two or more arms
a) spiral
b) elliptical
c) irregular
d) spinny

Collects light from distant stars and separates that light into bands of different color; that is used to determine what the star is made of
a) spectroscope
b) stethoscope
c) space probe
d) telescope

Contains instruments to collect data and travel out of Earth's orbit to explore the places that would be too dangerous for astronomers
a) space probe
b) satellite
c) spectroscopes
d) robots

Placed into orbit around Earth with special instruments and telescopes that collect information from space which is sent back to Earth to be interpreted
a) satellite
b) space probe
c) telescope
d) spectroscope

Type of telescope that receives radio waves that are emitted from objects in space
a) raido telescope
b) refracting telescope
c) reflecting telescope
d) electromagnetic telescope

Collects visible light, then uses a convex lens or mirror to focus light, creating brighter larger images of things at a distance in space
a) telescope
b) microscope
c) spectroscope
d) space probe

Scientist who studies galaxies, stars, and all other things in space.
a) astronomer
b) astrologist
c) physicist
d) star gazer

(gas and dust) exist in space and are remnants from the formation of the universe
a) nebula
b) star
c) red shift
d) supernova

As galaxies move, the wavelength of light emitted from those are stretched. As it shift of light reaches the red in of the spectrum it is known as a ______
a) red shift
b) white shift
c) purple power
d) supernova

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