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Investigation 4:
Finding Our Place in Space

This investigation will help you to:

To learn more about the Earth's position as the third planet from the sun, visit the following web sites:

Build a Scale Model of the Solar System,
The solar system calculator will let you put in how ever large you want the sun to be, in inches or millimeters, and it will calculate the scale diameter of the 9 planets and their distance from the sun.

To learn more about how some planets are larger than the Earth and others are smaller, visit the following web sites:

Planet Size Comparison,
Find a clear demonstration about the relative sizes of the planets.

To learn more about how the planets all orbit the sun and are different distances from the sun and each other, visit the following web sites:

Your Weight On Other Worlds,
Ever wonder what you might weigh on Mars or the moon? Here's your chance to find out. There is a good discussion of the difference between mass and weight.

Midnight Sun,
Alaska Stock Gallery
See a multiple exposure of the sun moving across the sky during the summer solstice in "the land of the midnight sun."

Total Solar Eclipse of March 29, 2006,
StormCenter, Solar Eclipse from Space
The satellite images in this edition of the Envirocast® Bulletin show the shadow of the moon cast upon the Earth seen crossing the Atlantic, Africa and Turkey during the total solar eclipse of March 29, 2006. It also includes an amazing animation of the solar eclipse by the University of Wisconsin¹s Space Science and Engineering Center (SSEC).

Eclipse: In a Different Light,
The site highlights how eclipses have inspired people to observe and understand the sun-Earth-moon system. Join us in an extraordinary journey of exploration, discovery, and understanding as we prepare for a total solar eclipse. NASA is committed to providing you with the essential materials needed to help your students see our sun in a different light! Using this link, teachers can find lesson plans for grades K-5, 6-8, and 9-12. You will also find other helpful web resources and educational hooks that demonstrate how today's technological marvels in solar viewing were built upon the foundation left by our ancestors.



Investigation 1

Investigation 2

Investigation 3

Investigation 4

Investigation 5

Investigation 6

Investigation 7

Investigation 8

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Last updated: January 26, 2009

This project is supported, in part, by the National Science Foundation and the AGI Foundation. Opinions expressed are those of the authors and not necessarily those of the Foundation.

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