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

Our world: communications in space

This is a NASA 'Our World' video clip focusing on the different ways that astronauts on the International Space Station use technology to communicate with ground staff and others on Earth. The narrators include the puppet Lily and actual astronauts on the space station. Different modes of communication include radio contact, ...

Video

Our world: what is a solar system?

This is a NASA 'Our World' video clip exploring the largest objects found in the solar system. The narrators of the clip include an enthusiastic young student, a synthesised voice and an amateur astronomer who address the issues of what exactly is a solar system and how the major celestial objects making up our solar system ...

Video

Our world: moons in our solar system

This is a NASA 'Our World' video clip focusing on the celestial objects that orbit the planets of the solar system. The narrators include an enthusiastic young student and a planetary scientist who provide intriguing information about a variety of moons. The presence of water on some moons raises the possibility that there ...

Video

Earthshine

This six and a half minute video segment from Catalyst explains Earthshine as light from our own Earth reflected back from the Moon's dark side. A PhD student is studying it to learn about how light reflects from a planet that contains liquid water as well as land. Her work may one day lead to the discovery of other planets ...