Students discuss satellites and their functions. They design and construct their own satellite out of readily available materials. Students are taught the definition of a satellite. They discuss the two main purposes of satellites:...

Students conduct an experiment to measure the diameter of the sun. In this astronomy lesson,  students construct a simple equipment to collect scientific data. They calculate the sun's diameter using a given formula.

Empty space in outer space is not truly empty. Celestial objects fill the space not occupied by planets, stars, and such. This resource identifies these objects and further explains their existence.

Celestial navigation is the art and science of finding one's geographic position by means of astronomical observations, particularly by measuring altitudes of celestial objects - sun, moon, planets or stars. This activity starts with a...

This paper presents the explanation behind the Zodiac signs. It discusses motions of celestial objects, the Plane of the Ecliptic, and the constellations of the Zodiac.

This site from IPAC is a series of images of various celestial objects and regions as viewed in infrared light. Each photo is accompanied by a caption.

To navigate, you must know roughly where you stand relative to your designation, so you can head in the right direction. In locations where landmarks are not available to help navigate (in deserts, on seas), objects in the sky are the...

This inquiry invites students to investigate human impacts on the environment. Specifically, students will examine the relationship between human population, light pollution, and how brightly celestial objects like stars appear in the...

Lesson activities where students observe and describe the movements of objects in the sky in both daytime and nighttime. They learn how early cultures regarded the skies, and the stories they told about them. Students will be given the...

Create your own astrolabe after reading to find out what one is. Measure heights of objects around you using the astrolabe.

To those of us who live on earth, the most important astronomical object by far is the sun. This article explains how the motion of the sun through our sky cause day and night, the passage of the seasons, and earth's varied climates.

The Hubble Space Telescope (HST) has been used to accumulate images of a "cosmic zoo" of celestial objects. The Hubble Heritage Project uses these images for extending human vision for both scientists and the public. This site has links...

This site from NASA provides an interestinnng approach to telescopes. "Almost all telescopes nowadays use mirrors, not lenses, to gather and focus the light from celestial objects. We have just seen, though, that mirrors reverse the...

A 1997 CNN report on the results of a repair mission to the Hubble Space Telescope. Video interviews with experts provide information on what the telescope has revealed about several celestial objects (Nebula and Black Holes).

For thousands of years, navigators have looked to the sky for direction. Today, celestial navigation has simply switched from using natural objects to human-created satellites. A constellation of satellites, called the Global Positioning...

Over the course of history, we've discovered hundreds of thousands of asteroids. But how do astronomers discover these bits of rock and metal? How many have they found? And how do they tell asteroids apart? Carrie Nugent shares the story...

Paper presents the explanation behind the Zodiac signs. Discusses motions of celestial objects, the Plane of the Ecliptic, and the constellations of the Zodiac.

Paper presents the explanation behind the Zodiac signs. Discusses motions of celestial objects, the Plane of the Ecliptic, and the constellations of the Zodiac.

Paper presents the explanation behind the Zodiac signs. Discusses motions of celestial objects, the Plane of the Ecliptic, and the constellations of the Zodiac.

This star map has five different constellations along with four newly discovered solar systems. If you are located in the northern hemisphere you can use this resource to locate stars.

Various different types of nebulae can be explored on this site. View and learn about this stellar phenomena and how they contribute to the growth of the solar system.