PEARSON EDEXCEL LEVEL 1 / LEVEL 2 GCSE (9–1)
ASTRONOMY PAPER 2 TELESCOPIC ASTRONOMY QP
JUNE 2024
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•• Use Fill in the boxescentre number and candidate number.black ink or
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•• Answer Answer the questions in the spaces provided – there may be more space than you needall
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••• at the Calculators may be used.Any diagrams may NOT be accurately drawn, unless otherwise
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•• The total mark for this paper is 100.The marks for – use this as a guide as to how much time to
spend on each questioneach question are shown in brackets .
Advice
••• Read each question carefully before you start to answer it.Try to
answer every question.Check your answers if you have time at the end.
Equation of Time = Apparent Solar Time (AST) – Mean Solar Time (MST)
T2
Kepler’s 3rd law: 3 = a constant r
f
Magnification of telescope: magnification = o fe
Distance modulus formula: M = m + 5 – 5 log d
v
Redshift formula: λ0 c
Hubble’s law: v = H0d
Data
Mass of Earth 6.0 × 1024 kg
Mean diameter of Earth 13 000 km
Mean diameter of Moon 3500 km
2
, Mean diameter of Sun 1.4 × 106 km
One Astronomical Unit (AU) 1.5 × 108 km
Mean Earth to Moon distance 380 000 km
One light year (l.y.) 9.5 × 1012 km
One parsec (pc) 3.1 × 1013 km = 3.26 l.y.
Sidereal day of Earth 23 h 56 min
Synodic day of Earth 24 h 00 min
Temperature of solar photosphere 5800 K
Hubble Constant 68 km/s/Mpc
Speed of light in vacuum 3.0 × 108 m/s
*P75501A0240*
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