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Listed under:  Science  >  Forces and energy  >  Mechanical energy  >  Motion  >  Rotational motion  >  Orbits  >  Earth rotation
Video

Triple J: Why is Pluto not a planet?

Watch this clip and learn why Pluto was taken off the official list of planets. Dr Karl Kruszelnicki explains the three criteria that must be met before planets can be called planets. What are they?

Video

ABC News: Dr Karl discusses mining asteroids

Imagine an asteroid, half the size of a football field, hurtling towards Earth at a speed of 28,000 kilometres per hour! Watch this clip to find out about Asteroid 2012 DA14 and whether it poses any threat to Earth. You will also discover why mining prospectors are keen to capture asteroids such as this one. Could the next ...

Video

From Stonehenge to STEREO

Humans have been studying the sun for a long time, possibly because life on Earth is directly influenced by the sun. Why is the sun so vital to life on Earth? Think about what would happen to life on Earth if the sun didn't exist.

Interactive

NASA: Eyes Eclipse 2017

This interactive 3D simulation of the total eclipse of August 21st, 2017 enables users to navigate to different locations to watch a simulation of what the eclipse would look like from that area from start to finish. The simulation is available as a web and desktop applications suitable for most devices.

Interactive

Earth rotation: night and day

Watch an animation of the Earth rotating in space showing day and night, the equinox where locations on Earth experience close to equal hours of daytime and night-time (12 hours) and views of the Earth from above the North and South Poles. Turn an animated model of the Earth to explore how rotation is related to night and ...