Found 20 - 30 results of 42 programs matching keyword " sun-earth day"


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

Keywords: winter solstice, chaco canyon, ancient observatories, sun, equinox, native americans, eagle dance, alignments, sun dagger, ancient stories, architecture, fajada butte, pueblo bonito

Links: National Park Service Chaco Canyon Website

Real: 1 M  225K  
Windows Media: 659K  
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

Keywords: sun observation, solstice, shadow


Watch Now
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

Keywords: sun observation, solar alignment


Watch Now
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

Keywords: sun observation, solar alignment


Watch Now
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

Keywords: sun observation, solstice, shadow


Watch Now
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

Keywords: summer solstice, sun observation


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Transit of Venus:  Transit of Venus 2004: 1st & 2nd Contact Program (Webcast)
Running Time:
00:59:15
Astronomers in many parts of the world watched as Venus moved across the disk of the Sun, one of the rarest planetary alignments. The Exploratorium webcast this historic event from Greece.

Project: The Rarest Eclipse: Transit of Venus | Browse All

Date: June 8, 2004
Format: Expedition
Category: Science in Action
Subject(s): Astronomy/Space Science

Keywords: lick observatory photographic plate vault, telescope filters for viewing the sun, transit of venus, eclipse, black drop effect explanation, past transits of venus, h-alpha solar telescope, first contact of the transit of venus, second contact of the transit of ve


Real: 256K  
Transit of Venus:  Transit of Venus 2004: 3rd & 4th Contact Program (Webcast)
Running Time:
00:44:08
Astronomers in many parts of the world watched as Venus moved across the disk of the Sun, one of the rarest planetary alignments. The Exploratorium webcast this historic event from Greece.

Project: The Rarest Eclipse: Transit of Venus | Browse All

Date: June 8, 2004
Format: Expedition
Category: Science in Action
Subject(s): Astronomy/Space Science

Keywords: 3rd contact of the transit of venus, 4th contact of the transit of venus, telescope filters for viewing the sun, transit of venus, eclipse, h-alpha solar telescope


Real: 256K  
Iron Science Teacher:  Valentine's Day Edition 2004 (Webcast)
Running Time:
0:59:08
Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity from a special Valentine's Day secret ingredient.

Project: Iron Science Teacher | Browse All

Date: February 14, 2004
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: chocolate, candy, food, valentine's day


Real: 226K  
Origins: Astrobiology:  Looking for Mars on Earth (Webcast)
Running Time:
00:32:24
Chris McKay, Planetary Scientist at the NASA Ames Research Center, has traveled the world seeking Mars-like environments. In the Dry Valleys of Antarctica—his favorite Mars analog on Earth—Dr. McKay discovered a kind of algae living inside rocks porous to light and water. He’ll show us some of these rocks and talk about the physical conditions required for life.

Project: Origins: Astrobiology: The Search for Life | Browse All

Date: November 19, 2003
Format: Interview
Category: Science in Action
Subject(s): Astronomy/Space Science

Keywords: deserts, atacama desert of chile, life on mars, most lifeless place on earth, driest place on earth, ecosystems, algae, organisms in rock, photosyntheseis in rock, most mars-like place on earth, antarctica dry valleys, alum rock park, earth's extreme environments, mic


Real: 256K  
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Webcasts made possible through the generosity of the Gordon and Betty Moore Foundation, The Jim Clark Endowment for Internet Education, the McBean Family Foundation,.and the Corporation for Educational Networks Initiatives in California (CENIC).

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