Home
Paper 1
Paper 2
Paper 1 Key Skills
More
Protoplanetary Discs & The Formation of the Solar System
The Size of the Solar System
Mars & Captured Moons
Saturn & The Roche Limit
Comets
The Formation of Planets
Venus & The Transit of Venus
The Asteroid Belt & The Shapes of Moons & Asteroids
Uranus & La Grangian Points
Space Probes
The Planets
Mapping the Solar System
Dwarf Planets
Neptune & Tidal Heating
Exoplanets
Mercury & Evidence for the Early Solar System
Earth& Synchronous Rotation
Jupiter & Orbital Resonance
Meteors & Metoroids
Extra-Terrestrial Life
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
