Learn · Gresham College

Talk

Impact!

Professor Ian Morison · Gresham College

Watch At Gresham College

About

There is simple evidence that, even in recent times, the Earth has suffered major impacts from asteroids and comets. What dangers do they hold for our civilisation? Major efforts now being made to detect those that might harm us and strategies are being developed to prevent their impacts. But we do have a problem with comets...

The talk

  1. Impact! 2009-12-17 · YouTube

Credits and licence

Institution
Gresham College
Speaker
Professor Ian Morison
Year
2009
Level
For everyone
Language
English
Subjects
Astronomy and space
Source
Gresham College
Licence
Educational use (Gresham College's terms), as Gresham College states it. Gresham College's terms
Attribution
Gresham College states: "We positively encourage the use of the Gresham College lecture transcripts, audio and video files for educational purposes. However, we do not allow use of Gresham College materials for commercial, personal or institutional gain."
Who can watch
Gresham College gives no rating. Invisible Network shows it to Tweens profiles and older, judged from what the source says about it. How courses are placed