Science Quiz / Astrophysics Number Knowledge

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Can you name the Astrophysics Values?

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

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