Other
Catastrophism and Mass Extinctions
An overview of Walter and Luis Alverez's theory that a large meteorite crashed into earth causing huge tidal waves, showers of ash, and an enormous dust cloud.
Other
Skyserver: Asteroids
This site from the SkyServer allows you to learn all about moving objects as well as how to find asteroids. Users that feel adventurous may even decide to take the "Asteroid Hunt."
Other
Who Dunnit to the Dinosaurs?
"One of the great mysteries in science is the extinction of the dinosaurs at the end of the Mesozoic Era some 65 million years ago. Who (or more likely what) caused it is unknown and a subject of great debate." Many theories are touched...
Other
Dinosaur Extinction: One More Hypothesis
"The survivals and extinctions at the close of the Cretaceous are such as might be expected to result from intensely hot winds such as would be generated by extra large meteoritic impacts." This article suggests that this theory should...
Natural History Museum
Natural History Museum: What Is a Meteorite?
As an online exhibit on meteorites, this site answers the question, what is a meteorite? The two main topics covered include where meteorites come from and where meteorites are found.
Other
The Telson Spur: The Solar System
This is a list of links to online resources related to the study of the planets. It has a literary theme associated with the Lewis Carrol poem "The Hunting of the Snark" with many quotes from literature and science. Navigation tools...
NASA
Nasa Space Place: What Is an Impact Crater?
Brief description of impact craters with images of some of the more famous ones.
Curated OER
Skyserver: Asteroids
This site from the SkyServer allows you tolearn all about moving objects as well as how to find asteroids. Users that feel adventurous may even decide to take the "Asteroid Hunt."
Curated OER
Sky Server: Scavenger Hunt
In this site, from the SkyServer of the Sloan Digital Sky Survey users hunt for stars, galaxies, quasars, asteroids and meteors. Learn what they look like and how to find them.
Curated OER
Eye Witness to History: John Dillinger
Quick introduction to one of the more famous American criminals of the Great Depression. Vivid descriptions of his meteoric rise to fame paint the picture of man who lived life dangerously.
NASA
Nasa: The Space Place
This site from NASA's Space Place is geared towards early elementary learners. It offers detailed instructions for crafts and activities related to space, games and a teacher resource area. Students can also ask an expert at this site.
California Institute of Technology
Cool Cosmos: Ask an Astronomer: Comets
Resource provides easy to understand information about comets. Click on the frequently asked question link to find out more about these mysterious celestial bodies.
NASA
Nasa: Asteroids: Overview: Ancient Space Rubble
Comprehensive look at asteroids, with many useful facts, photos, and related links. Provides a detailed account of how asteroids get their names and a timeline of significant dates.
University of Wisconsin
Atmospheric and Oceanic Sciences: Surface Weather Analysis
Explains the use of synoptic weather analysis in preparing weather maps and forecasting. Discusses the use of symbols as well.
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