Astronomy Essentials: What Are Comets
- Rated NR
- Genre: Special Interest-Educational
- Release Date: 3/4/2014
WHAT ARE COMETS?: Whereas, in ancient days, comets were considered to be harbingers of ill-fortune, nowadays they provide possible answers as to the origins of our Solar System. Composition of comets, structure and their behaviour-patterns in the Solar System. Comets' orbits, origins and evolution. Halley's Comet. Space probes sent to meet Halley's and it's true composition.
|This product is a special order|
|Run Time:||15 minutes|