Alabama Learning Exchange
Alex: Cosmic Measurements
In this instructional activity, students will use hands on inquiry in cooperative learning groups to understand, develop and analyze common measurements used by astronomers. Students will use common objects such as straws, twizzlers, or...
Khan Academy
Khan Academy: Angular Measure 2
Looking for an easier way to do angular measurements? This page introduces you to a trick by using skinny triangles with small angles. The skinny triangles lets the astronomer assume right triangles and then they can use trigonometry to...
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.
Khan Academy
Khan Academy: Angular Measure 1
Warm up questions on angular measure can be found on this site.
Concord Consortium
Concord Consortium: Stella
Students act as astronomers, studying stars in a patch of sky in our own galaxy. Using simulated data from spectroscopy and other real-world instrumentation, students learn to determine star positions, radial velocity, proper motion, and...
South Carolina Educational Television
Know It All: Solar System Simulation
Fourth graders will begin to understand the solar system by using and creating models to demonstrate the layout of the solar System.
Khan Academy
Khan Academy: Angular Measure 2
A practice to test your knowledge of angular measurement. Practice is part a unit on physical quantities and their measurements.
University of Texas at Austin
The University of Texas Mc Donald Observatory: Constellation Guide
View a selection of familiar constellations while learning about Zodiac signs and how constellations got their names.
CK-12 Foundation
Ck 12: Earth Science: Branches of Earth Science Study Guide
Review the main study areas of Earth Science.
NASA
Nasa Space Place: What Are Constellations?
A brief explanation of constellations. Discusses what determines what stars and constellations you see, the difference between astrology and astronomy, and how NASA uses the constellations.
California Institute of Technology
Cool Cosmos: Ask an Astronomer
Explore the night sky with some help from Cool Cosmos. This site provides a list of the most frequently asked questions about the things we can see at night. Click on the question link and delve into the beauty of evening.
NASA
Nasa: Kepler's Third Law
This site from NASA states Kepler's third law of motion and extends it to develop an equation for the velocity of an orbiting planet.
Cornell University
Cornell University: Astronomy: Sequence of Events in a Supernova Explosion
The complex sequence of events in a supernova explosion are explained and illustrated.
NASA
Viewing the Violent Universe: What Are Gamma Rays?
The universe produces a broad range of light, only a fraction of which is visible to our eyes. Gamma rays are nonvisible light, which also includes x-rays, ultraviolet light, infrared radiation, and radio waves.
Fourmilab Switzerland
John Walker: Your Sky
You can produce sky maps for any date and time, viewpoint or observing location. See your sky map, horizon view, or track an asteroid or comet on this highly interactive site.
NASA
Electromagnetic Spectrum: Ultraviolet Waves
Ultraviolet (UV) light has shorter wavelengths than visible light. Though these waves are invisible to the human eye, some insects can see them. The specific wavelength values are given. Uses and applications of these waves are explained.
Cosmo Learning
Cosmo Learning: Astrobiology and Space Exploration
A collection of video lectures from several guest speakers about issues of astrobiology and space exploration at Stanford University. The lectures cover topics like Martian meteorites, planetary system, life in space, and satellites....
Cosmo Learning
Cosmo Learning: Modern Physics: Cosmology
A collection of video lectures from a cosmology course taught at Stanford University. The course gives an overview of the universe as a whole while focusing on astrophysics, physics, and astronomy in eight lectures. Lectures vary in length.
NASA
Nasa: History of Venus Transit
NASA site recounts the history of the Venus Transits that have occurred over the past centuries and the various descriptions astronomers have written about them.
PBS
Pbs Learning Media: Spin a Spiral Galaxy
This interactive activity from NOVA Online lets you spin a spiral galaxy, including our own Milky Way. It demonstrates that what you can learn from visible light observations of a galaxy is largely determined by the angle from which you...
University of Illinois
University of Illinois: Stars and Constellations: White Dwarf Supernovae
Discusses the formation of the white dwarf and the role this star plays in the formation of a white dwarf supernovae.
Space Telescope Science Institute
Hubble Site: Edwin Hubble
At this site from HubbleSite provides information on how Edwin Hubble (1889?1953 CE) made some of the most important discoveries in modern astronomy. Learn about them as well as the invention of the Hubble Space Telescope. Open 'Who was...
University of Illinois
University of Illinois: Stars and Constellations: Red Giant Stars
This resource discusses advanced giants, super giants, and giant stars. Links in the information provide further information on specific terms.
University of Illinois
University of Illinois: Stars and Constellations: Planetary Nebulae
This resource contains information about planetary nebulae and their characteristics.