lOMoARcPSD|24365327
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)
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.
• You must showmayall NOT
Any diagrams be accurately drawn, unless otherwise indicated.
• at the end of your solution.
your working out with your answer clearly identified
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.
• Checkanswer
Try to every question.
• Good luck with your examination.
your answers if you have time at the end.
•
Turn over
P65439A
©2021 Pearson Education Ltd.
1/1/1/1/1/1/1/1/1/1/1
*P65439A0140*
, lOMoARcPSD|24365327
Formulaeand
Formulae andData
DataSheet
Sheet
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 = H0 d
DO NOT WRITE IN THIS AREA
Data
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 2
*P65439A0240*
, Sidereal Mean
Type of Mean distance Diameter Mass/ Ring
Name period/Earth temperature Moons
body from Sun/AU /1000 km Earth mass systems
year /°C
Mercury planet 0.38 0.24 170 4.9 0.055 no none
Venus planet 0.72 0.62 470 12.1 0.82 no none
Earth planet 1.0 1.0 15 12.8 1.00 no 1: the Moon
2 small moons: Deimos and
Mars planet 1.5 1.9 −50 6.9 0.11 no
Phobos
dwarf
Ceres 2.8 4.6 −105 0.95 1.5 × 10−4 no none
planet
4 major moons: Ganymede,
Jupiter planet 5.2 11.9 −150 143 318 yes Callisto, Europa, Io
>60 others
lOMoARcPSD|24365327
5 major moons: including
Saturn planet 9.5 29.5 −180 121 95 yes Titan, Iapetus
>55 others
5 major moons: including
*P65439A0340*
Uranus planet 19.1 84.0 −210 51 15 yes Titania, Oberon
>20 others
1 major: Triton
Neptune planet 30.0 165 −220 50 17 yes
>12 others
dwarf 1 major: Charon
Pluto 39.5 248 −230 2.4 2.2 × 10−3 no
planet >4 other moons
dwarf
Haumea 43.1 283 −241 1.4 6.7 × 10−4 no 2
planet
dwarf
Eris 67.8 557 −230 2.3 2.8 × 10−3 no at least 1
planet
3
Turn over
, lOMoARcPSD|24365327
Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in a box
. If you change your mind about an
answer, put a line through the box and then mark your new answer with a cross.
1 Figure 1 shows four images taken with the Hubble Space Telescope.
Image A Image B
Image C Image D
Figure 1
4
*P65439A0440*
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)
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.
• You must showmayall NOT
Any diagrams be accurately drawn, unless otherwise indicated.
• at the end of your solution.
your working out with your answer clearly identified
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.
• Checkanswer
Try to every question.
• Good luck with your examination.
your answers if you have time at the end.
•
Turn over
P65439A
©2021 Pearson Education Ltd.
1/1/1/1/1/1/1/1/1/1/1
*P65439A0140*
, lOMoARcPSD|24365327
Formulaeand
Formulae andData
DataSheet
Sheet
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 = H0 d
DO NOT WRITE IN THIS AREA
Data
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 2
*P65439A0240*
, Sidereal Mean
Type of Mean distance Diameter Mass/ Ring
Name period/Earth temperature Moons
body from Sun/AU /1000 km Earth mass systems
year /°C
Mercury planet 0.38 0.24 170 4.9 0.055 no none
Venus planet 0.72 0.62 470 12.1 0.82 no none
Earth planet 1.0 1.0 15 12.8 1.00 no 1: the Moon
2 small moons: Deimos and
Mars planet 1.5 1.9 −50 6.9 0.11 no
Phobos
dwarf
Ceres 2.8 4.6 −105 0.95 1.5 × 10−4 no none
planet
4 major moons: Ganymede,
Jupiter planet 5.2 11.9 −150 143 318 yes Callisto, Europa, Io
>60 others
lOMoARcPSD|24365327
5 major moons: including
Saturn planet 9.5 29.5 −180 121 95 yes Titan, Iapetus
>55 others
5 major moons: including
*P65439A0340*
Uranus planet 19.1 84.0 −210 51 15 yes Titania, Oberon
>20 others
1 major: Triton
Neptune planet 30.0 165 −220 50 17 yes
>12 others
dwarf 1 major: Charon
Pluto 39.5 248 −230 2.4 2.2 × 10−3 no
planet >4 other moons
dwarf
Haumea 43.1 283 −241 1.4 6.7 × 10−4 no 2
planet
dwarf
Eris 67.8 557 −230 2.3 2.8 × 10−3 no at least 1
planet
3
Turn over
, lOMoARcPSD|24365327
Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in a box
. If you change your mind about an
answer, put a line through the box and then mark your new answer with a cross.
1 Figure 1 shows four images taken with the Hubble Space Telescope.
Image A Image B
Image C Image D
Figure 1
4
*P65439A0440*
