Weber State University
The Sun and the Seasons
Why is there more daylight in June than in December if you live above the equator? How does the angle of sunlight shift throughout the year? Answer these questions and more with an interactive article about the sun, its path through the...
Laboratory for Atmospheric and Space Physics
The Planets and Scale
Scholars gain an insight into the relative size of planets and distance between inner and outer planets with the help of informational text, a data table, and a series of four questions.  
Laboratory for Atmospheric and Space Physics
Charting the Progress of New Horizons
In 2006, New Horizons began its mission to fly to Pluto. As it continues its journey, scholars track its progress with the help of an informative website, all the while reinforcing measurement concepts with the construction of a scaled...
International Technology Education Association
Telescope as Time Machine
This resource provides an explanation of NASA's GALEX mission and how the space-based telescope can view distant galaxies as they were billions of years ago. The resource also discusses the other aspects of galaxies that GALEX...
Houghton Mifflin Harcourt
Nature Walk: English Language Development Lessons (Theme 2)
Walking in nature is the theme of a unit designed to support English language development lessons. Scholars look, write, speak, and move to explore topics such as camping, woodland animals, instruments,...
Nine Planets
The Nine Planets: The Moon
Explore the mythology, structure, observational history, gravitational force, and orbit of Earth's Moon.
University of Virginia
University of Virginia: How the Greeks Used Geometry to Understand the Stars
An article explaining how the Greeks were able to use their science and mathematics to predict where astronomical objects such as the Planets could be found in the nighttime sky even though their underlying premise was that the earth did...
Khan Academy
Khan Academy: Angular Measure 1
Do you know the size of the sun? Using angular measurement can help astronomers measure objects in the sky.
Globio
Glossopedia: Stars
Many of the objects you can see in the night sky are stars, large objects in space that produce light. Our galaxy, the Milky Way, contains more than 100 billion stars. Stars are so far away that their light does not reach us for years....