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Paper 1 Modules
Paper 2 Modules
Paper 1 Key Skills
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The Night's Sky
Diurnal Motion I
Stars and Constellations
Diurnal Motion II
The Celestial Sphere
Cicrumpolar Stars
Coordinate Systems
Practical Observing
Knowledge Quiz
Have you got all the knowledge you need to master the topic?
Calculating the Best Time to Observe Celestial Objects
Can you use rising and setting times to work out when is best to observe stars?
Key Skill 3: Equatorial Coordinates
Can you determine where a star is in the Celestial sphere using Right Ascension and Declination?
Key Skill 4: Horizontal Coordinate System
Can you determine where a star is in the night's sky using Azimuth and Altitude?
Key Skill 5: Right Ascension and Hour Angles
Can you link Right Ascension and Hour Angles?
Key Skill 6: Linking Azimuth and Hour Angle
Coming Soon
Key Skill 7: Using Polaris
Key Skill 8: Circumpolar Stars
Coming Soon!
Key Skill 9: Rising & Setting
