2024
2024
PEARSON
Edexcel
,Pearson Edexcel Level 1/Level 2 GCSE (9–1)
1AS0/02
Astronomy
Paper 2
Telescopic Astronomy
Mark Scheme Plus
Question Paper
Merged
, Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1 / Level 2 GCSE (9–1)
Tuesday 18 June 2024
Afternoon (Time: 1 hour 45 minutes) Paper
reference 1AS0/02
Astronomy ■ ■
Paper 2
Telescopic Astronomy
You must have: Total Marks
Formulae and Data Sheet (enclosed)
Calculator, ruler
Instructions
•• Use black ink or ball-point pen.
Fill in the boxes at the top of this page with your name,
centre number and candidate number.
•• Answer all questions.
Answer the questions in the spaces provided
– there may be more space than you need.
•• Calculators may be used.
Any diagrams may NOT be accurately drawn, unless otherwise indicated.
• You endshow
must
at the all your
of your working out with your answer clearly identified
solution.
Information
•• The total mark for this paper is 100.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
Advice
• Read each question carefully before you start to answer it.
• Try to answer every question.
• your answers if you have time at the end.
Check
Turn over
P75501A
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, Formulae
DO NOT WRITE IN THIS AREA
Equation of Time = Apparent Solar Time (AST) – Mean Solar Time (MST)
T2
Kepler’s 3rd law: = a constant
r3
fo
Magnification of telescope: magnification =
fe
Distance modulus formula: M = m + 5 – 5 log d
λ λ0 v
Redshift formula:
λ0 c
Hubble’s law: v = H0d
Data
DO NOT WRITE IN THIS AREA
Mass of Earth 6.0 × 1024 kg
Mean diameter of Earth 13 000 km
Mean diameter of Moon 3500 km
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. DO NOT WRITE IN THIS AREA
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
2
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