Sure
WhyNot
Whatever
Heck Yes
Dude
100
the brightness of a star if it were a standard distance from Earth
absolute magnitude
100
a piece of transparent glass, curved so that the middle is thicker than the edges
convex lens
100
a unit used to measure distances in space; the distance that light travels in one year
light year
100
uses one or more mirrors to gather and focus light
reflecting telescope
100
a star system that contains two stars
binary stars
200
the distance between the crest of one wave and the crest of the next wave
wavelength
200
energy that travels through space in the form of waves
electromagnetic radiation
200
an area on the H-R diagram that runs from the upper left to the lower right and includes more than 90% of all stars
main sequence
200
uses convex lenses to gather a large amount of light and focus it onto a smaller area
refracting telescope
200
a large amount of gas and dust spread out in an immense volume
nebula
300
electromagnetic radiation that can be seen with your eyes
visible light
300
a giant structure that contains hundreds of billions of stars
galaxy
300
a building that contains one or more telescopes
observatory
300
breaks the light from an object into colors and photographs the resulting spectrum
spectrograph
300
a contracting cloud of gas and dust; the earliest stage of a star's life
protostar
400
the brightness of a star as seen from Earth
apparent magnitude
400
very large stars or supergiant stars; larger than the sun
giant star
400
the apparent change in position of an object when you look at it from different places
parallax
400
when light separates out to make a range of different colors with different wavelengths
spectrum
400
a neutron star that produces radio waves
pulsars
500
patterns of stars in the sky
constellations
500
a graph relating the temperature and brightness of stars
HertzSprung-Russell Diagram
500
devices used to detect radio waves from space
radio telescope
500
all of space and everything in it
universe
500
distant galaxies with giant black holes at their centers
quasars
M
e
n
u