Interactives for Students
In "Space Race Time Line" examine turning points in the competition between the United States and Soviet Union to dominate space during the Cold War. (Flash plug-in required; printable version available.) Grades 6-8, 9-12.
Doomsday Asteroid, The
In "Kitchen Comets," find a recipe for modeling a comet nucleus. Grades 6-8, 9-12.
Hunt for Alien Worlds
In "Signs of Life," use data to locate the planet Jupiter and determine if there is a nearby planet with an atmosphere habitable for humans. Grades 6-8, 9-12.
Monster of the Milky Way
In "Catalogue of the Cosmos," find definitions for and images of 20 extraterrestrial wonders, including a black hole, white dwarf, quasar, and our Milky Way galaxy. (Flash plug-in required; printable available.) Grades 6-8, 9-12.
NOVA scienceNOW: Asteroid
In "The Asteroid That Hit L.A.," try out three "what if" scenarios with our catastrophe calculator and discover the likelihood and potential effects of any of three sizes of asteroids impacting Earth. (Flash plug-in required.) Grades 6-8, 9-12.
Origins: Back to the Beginning
In "History of the Universe," learn about the universe's past, present, and possible future in an illustrated time line. (Flash plug-in required.) Grades 6-8, 9-12.
Origins: Where are the Aliens?
In "Decoding Cosmic Spectra," learn the basics of spectroscopy and use the technique to reveal the composition of a planet, star, galaxy, and nebula. (Flash plug-in required.) Grades 9-12.
In "Moving Targets," follow animations that describe how the Doppler Effect helps astronomers determine whether stars are moving toward or away from Earth, and at what speed. (Flash plug-in required; non-Flash version available.) Grades 6-8, 9-12.
Stationed in the Stars
In "Free-Falling," learn how speed contributes to keeping astronauts in continuous free-fall when orbiting the Earth. (Shockwave plug-in required.) Grades 6-8, 9-12.
Terror in Space
In "A Day in the Life," find out what a day is like as an astronaut aboard the Mir. Grades 6-8, 9-12.
To The Moon
In "Lunar Puzzlers," use facts about the Earth, Moon, and Sun to answer four Moon puzzlers. (Frames required.) Grades 6-8, 9-12.
Voyage to the Mystery Moon
In "Sounds of Titan," find out what sound is and how space affects it, listen to the Huygens' probe as it approaches moon's surface, hear what a human voice would sound like on Titan, and more in these audio features. Grades 3-5, 6-8, 9-12.
Warnings from the Ice
In "Live and Breathe Antarctica," consider what it is like to live and work in Antarctica and meet one astronomer who works there. Grades 3-5, 6-8.
Welcome to Mars
In "Mars Up Close," take a narrated tour of some of the most intriguing discoveries made by each rover on Mars. (Flash plug-in required; non-Flash version available.) Grades 3-5, 6-8, 9-12.