EXPLO.TV - Webcasts, Video Clips, and Podcasts from the Exploratorium

Running Time:
00:01:04

See how patterns of light change throughout the day at Chaco, and hear G.B. Cornucopia and Shelly Valdez share their impressions of the phenomena of light cycles in Chaco Canyon.

Project: Ancient Observatories: Chaco Canyon | Browse All

Date: December 2, 2010
Format: Expedition
Category: Everyday Science
Subject(s): Geology/Earth Science, Astronomy/Space Science

Chaco Canyon: Ancient Observatories: Chaco Canyon (webcast)

Running Time:
0:59:00

Join the Live@ crew and NASA scientists as we delve into the ancient knowledge of the Chacoans, daily sky watchers who amassed a great knowledge about the movements of the sun. And learn why today's astronomers and solar physicists continue to watch the sun, using modern ground-based observatories and orbiting space telescopes.

Project: Ancient Observatories: Chaco Canyon | Browse All

Date: December 21, 2004
Format: Expedition
Category: History of Science
Subject(s): Physics, History

Chaco Canyon: Your Shadow Knows (clip)

Running Time:
00:03:02

Join us in Chaco Canyon to think about what we can learn from watching shadows.

Project: Ancient Observatories: Chaco Canyon | Browse All

Date: October 7, 2004
Format: Expedition
Category: Everyday Science
Subject(s): Astronomy/Space Science, Geology/Earth Science

Chaco Canyon: Sun Stories (clip)

Running Time:
00:03:43

The sun holds an honored place in the lives of Southwestern Native Americans. Hear insights into the importance of the sun from Dr. Shelly Valdez, educator at Laguna Pueblo; Dr. Isabel Hawkins, solar researcher at UC Berkeley; and Andrew Garcia Sr., coordinator of Tewa dancers.

Project: Ancient Observatories: Chaco Canyon | Browse All

Date: October 7, 2004
Format: Expedition
Category: Everyday Science
Subject(s): Astronomy/Space Science, Geology/Earth Science, History

Chaco Canyon: Alignments at Chaco Canyon: Wijiji (clip)

Running Time:
00:00:24

Time-lapse footage of light moving across a pictograph at Wijiji 931.

Project: Ancient Observatories: Chaco Canyon | Browse All

Date: October 7, 2004
Format: Expedition
Category: Everyday Science
Subject(s): Astronomy/Space Science, Geology/Earth Science

Chaco Canyon: Alignments at Chaco Canyon: Casa Rinconada (clip)

Running Time:
00:00:27

Watch as the square of light moves across the wall and niches at Rinconada.

Project: Ancient Observatories: Chaco Canyon | Browse All

Date: October 7, 2004
Format: Expedition
Category: Everyday Science
Subject(s): Astronomy/Space Science, Geology/Earth Science

Chaco Canyon: Alignments at Chaco Canyon: Pueblo Bonito (clip)

Running Time:
00:00:48

See the movement of shadow on the North/South wall.

Project: Ancient Observatories: Chaco Canyon | Browse All

Date: October 7, 2004
Format: Expedition
Category: Everyday Science
Subject(s): Astronomy/Space Science, Geology/Earth Science