Science Quiz / Astrophysics Number Knowledge

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Can you name the Astrophysics Values?

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Score 0/97 Timer 20:00
Earth mass1 sf
mnNeutron mass, mks, 3 sf
VioletViolet wavelength range
GreenGreen wavelength range
Distance from Sun to Milky Way centerRough, 1 sf for pc, 2 sf for ly
Lyman alphaHydrogen spectral line, 3 sf
1 AUAstronomical unit in meters (2 sf)
Scale height is when a quantity decreases by a factor ofScale height denoted by H. Might have to add a space after the answer.
e4 sf
Lyman deltaHydrogen spectral line, 3 sf
Distance to LMCLarge Magellenic Cloud, 2 sf (ly)
Lyman betaHydrogen spectral line, 3 sf
YellowYellow wavelength range
Paschen betaHydrogen spectral line, 3 sf
1 pc/MyrEquals one what? (speed with different units)
Distance to farthest (barely) visible (naked eye) starsRough, 1 sf (ly)
Circular velocity of Sun around Milky Way center2 sf
kBoltzmann's constant (mks units) (3 sf)
Paschen deltaHydrogen spectral line, 3 sf
1 inInch in cm (3 sf)
X-RayX-Ray wavelength range
1 CCoulomb in statcoulomb (statC) (3 sf)
RedRed wavelength range
GammaGamma wavelength range is less than...
H atmRough scale height of Earth's atmosphere
GGravitational constant, 3 sf
mnNeutron mass in terms of energy (3 sf)
1 pcParsec in ly (3 sf)
1 pcParsec in m (2 sf)
Lunar mass3 sf
BlueBlue wavelength range
mpProton mass in terms of energy (3 sf)
1 miMile in feet or yards (4 sf)
Age of the universe4 sf
Solar luminosity2 sf
UltravioletUltraviolet wavelength range
Balmer alphaHydrogen spectral line, 3 sf
Balmer gammaHydrogen spectral line, 3 sf
Age of the Sun3 sf
Distance to nearest starsRough, 2 sf (ly)
Paschen alphaHydrogen spectral line, 3 sf
Velocity of Earth relative to CMB2 sf
Solar mass1 sf
lnln x = ? log_10 x (4 sf)
MicrowaveMicrowave wavelength range (micrometer = microm)
Rho atmRough mass density of air (cgs)
cSpeed of light (3 sf)
AlphaFine structure constant fraction. 3 sf
hch = Planck angular momentum, c = speed of light
Lunar radius2 sf
1 eVeV in Joules (2 sf)
hPlanck's constant (mks units) (4 sf)
meElectron mass in terms of energy (3 sf)
Lyman gammaHydrogen spectral line, 3 sf
Balmer deltaHydrogen spectral line, 3 sf
Earth radius2 sf
Balmer betaHydrogen spectral line, 3 sf
1 ergerg in Joules
mpProton mass, mks, 3 sf
1 miMile in km (2 sf)
kBoltzmann constant
Velocity of Earth around Sun2 sf, km/s
NAvagadro's number (4 sf)
InfraredInfrared wavelength range
Diameter of local group of galaxies2 sf
RadioRadio wavelength is greater than...
Distance to Andromeda3 sf, ly
1 lyLight-year in AU (1 sf)
PiRatio of a circle's circumference to its diameter (10 sf)
e-Electron charge (absolute value) (2 sf)
Rho waterMass density of water (cgs)
OrangeOrange wavelength range
1 yrYear in seconds (3 sf)
meElectron mass, mks, 3 sf
1 lyLight-year in meters (2 sf)
Paschen gammaHydrogen spectral line, 3 sf
Solar radius1 sf

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Created Nov 29, 2012ReportFavoriteNominate

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