Images of the Cosmos - Cosmic Recycling
English | Xvid | 688x512 | MP3 | 128kbps | 230MB | RS.com
The cosmic cycle in which material goes from the interstellar medium to the stars and then from the stars back again.
This is another of the "Images of the Cosmos" Astronomy programmes. Here the immense cycle in which stars are born from the insterstellar medium and eventually die returning to that medium is examined. We look at how Astronomers probe newborn & young stars in stellar nurseries in the near infrared to uncover their secrets. We find working Astronomers using the UKIRT Telescope on Hawaii who reveal the methods required to "see" in the near infrared and obtain infrared spectrograms. Astronomers then travel to the ends of the earth in Antarctica to find meteorites that contain minute fragments of dust from before our sun was born. We also look closely at the processes used to study these meteorites and their isotopic composition using such instruments as the Ion Probe.
Download:
http://rapidshare.com/files/81381781/Cosmic.Recycling.part1.rar
http://rapidshare.com/files/81381783/Cosmic.Recycling.part2.rar
http://rapidshare.com/files/81381739/Cosmic.Recycling.part3.rar