Understanding the Universe: An Introduction to Astronomy, 2nd Edition. Episode 36 Catastrophic Collisions.

Comets and asteroids have struck Earth throughout its history. One such collision 65 million years ago probably caused the extinction of the dinosaurs. Astronomers now search for asteroids that could be a potential threat to Earth.

1. Verfasser:

Filippenko, Alex

Weitere Verfasser:

Filippenko, Alex (SchauspielerIn)

Format:

Elektronisch Film

Sprache:

Englisch

Veröffentlicht:

[San Francisco, California, USA] : The Great Courses, 2007.
Kanopy Streaming, 2025.

Zusammenfassung:

Comets and asteroids have struck Earth throughout its history. One such collision 65 million years ago probably caused the extinction of the dinosaurs. Astronomers now search for asteroids that could be a potential threat to Earth.

Umfang:

1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
video file MPEG-4 Flash
Mode of access: World Wide Web.

Anmerkungen:

Title from title frames.
Film
In Process Record.

Format Details:

Mode of access: World Wide Web.

Schlagworte:

Science.

Education.

Instructional films.

Astronomy.

Education films.

Links:

A Kanopy streaming video