Facts and formulas Credit to edexcel exam board just there stuff in a new format 2.0 / 5 based on 1 rating ? AstronomyAll the specifics you need GCSEEdexcel Created by: katieCreated on: 03-06-14 22:49 Diameter of the Earth 13, 000km 1 of 16 Diameter of the moon 3,500km 2 of 16 Diameter of the Sun 1.4 million km 3 of 16 Distance from the Earth to the Moon 380,000km 4 of 16 Diastance from Earth to Sun 150 million km or 1AU 5 of 16 Rotation period of Earth 23h 56mins 6 of 16 Time for the Earth to rotate 1 degree 4 mins 7 of 16 Moon's rotational and orbital period 27.3 days 8 of 16 Complete lunar cycle 29.5 days 9 of 16 Temperature of the Sun's photosphere 5,800K 10 of 16 Approximate temperature of the corona 2 million K 11 of 16 Kepler's third law T²=R³ T=time in years R=distance in AU 12 of 16 Circumpolar stars declination> 90-latitude 13 of 16 Magnitude M=m+5-5logd m=apparent magnitude M=absolute magnitude d=distance 14 of 16 Radial velocity recorded wavelength-actual wavelength/actual wavelength=radial velocity/speed of light 15 of 16 Hubble's law v=Hd v=velocity d=distance H=hubble's constant 16 of 16
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