Curated OER
Trig is SOH Easy!
Students derive the six trigonometric identities. In this trigonometry lesson plan, students review the parts of a right triangle and use the Pythagorean theorem as a guide to find the trig identities. They find sine, cosine and tangent...
NASA
The Solar Data Analysis Center (Sdac)
The Solar Data Analysis Center at NASA provides all the latest information learned about the sun. Content includes a look at information brought back by several satellites.
Other
Cometography.com: C/1998 J1 (Soho)
This site provides a detailed overview of the comet C/1998 J1 (SOHO). Content includes discovery information, images, and historical highlights.
NASA
Nasa: Comet C 1996 B2 Hyakutake
This site from NASA examines all that is known about the comet Hyakutake. Select from "News Flash" or the table of contents located at the bottom of the page for specific information about the comet.