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Exam (elaborations)
AQA Physics Paper 3: Astrophysics Section - Topics, Questions & Tips Full Revision Guide,
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---16December 20252025/2026A+
- A complete guide to AQA A-Level Physics Paper 3: Astrophysics (Section A). Covering stellar properties, cosmology, telescopes, and exam structure with revision notes, key equations, and past paper practice.
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$12.99 More Info
elitonfundi339
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Exam (elaborations)
GIZMO Big Bang (1).
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---10March 20222021/2022A
- Question: How do Cepheids allow astronomers to measure intergalactic distances? 
1. Collect data: Locate and select the yellow Cepheid variable star (A-091) in the lower left section of the 
Andromeda Galaxy. Click the Collect data button. You will see a graph of the apparent brightness of the 
star over time. 
A. How does the star’s apparent brightness change over time? 
B. Turn on Show time probes. Set the left probe at the first brightness peak, and the right probe at 
the second brightness...
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$14.49 More Info
Labsolutions
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Exam (elaborations)
GIZMO Big Bang (1).
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---10March 20222021/2022A
- Question: How do Cepheids allow astronomers to measure intergalactic distances? 
1. Collect data: Locate and select the yellow Cepheid variable star (A-091) in the lower left section of the 
Andromeda Galaxy. Click the Collect data button. You will see a graph of the apparent brightness of the 
star over time. 
A. How does the star’s apparent brightness change over time? 
B. Turn on Show time probes. Set the left probe at the first brightness peak, and the right probe at 
the second brightness...
-
$14.49 More Info
Labsolutions
-
Exam (elaborations)
GCSE PHYSICS 8463/1H Paper 1 Higher Tier MARKING SCHEME 2020/21 LATEST 100%
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---20January 20222020/2021A+
- This applies to questions requiring a set number of responses, but for which students have 
provided extra responses. The general principle to be followed in such a situation is that ‘right + 
wrong = wrong’. 
Each error/contradiction negates each correct response. So, if the number of error/contradictions 
equals or exceeds the number of marks available for the question, no marks can be awarded. 
However, responses considered to be neutral (indicated as * in example 1) are not penalised. 
E...
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$8.99 More Info
QuickA