Astronomical Potpourri

Click on the file of your choice(s)!

Astronomy Picture of the Day! Check this every day, and download the beautiful pictures that you want to keep!

Top Ten Hubble Astronomical photographs as voted by astronomers.

Physical Constants and Astronomical Data      Transparency of the atmosphere to electromagnetic radiation; or, Spectral transmisson of sunlight through the atmosphere      Some Useful Equations, etc. from my notes used for teaching Astronomy

Great Astrophysical Calculator with tables of relevant physical and astronomical constants

Chandra X-ray Observatory in space: more beautiful pictures!

Encyclopedic reference to astronomy and astrophysics.

"Evening Stars" for Spring/Summer 2002!

Physics & Astronomy Discussion Forums - This is a tremendous resource! (Links to writing term papers too!)

The relative sizes of Earth and the planets is given here in splendid 3-d pictoral representations. Earth is compared to the inner planets, then to all, and then all to the sun.

     Closest approach of Mars, August 27, 2003
     See the "Happy Face" on Mars!
     Mars Global Survey Mission! A great article on Mars by JPL/Cal-Tech
       Project Professor!
     Ice on Mars ...Lots more than thought in recent history.
     Sedimentary rocks on Mars with comparison to geology
       near Las Vegas, Nevada.
     Water IS NOW flowing on Mars!!!

Northern Lights (Auroae Borealis):   Great pictures taken in Iceland by S. F. Stefnisson.

Columbus discovered "wobble" of the North Star...Precession of Earth and movement of Polaris (North Star)

Radio wave, infrared, light, ultraviolet, and x-ray transmission through the atmosphere...our great shield.

Hubble Telescope...Mysterious force pushing galaxies apart, 10 Billion year-ago Supernova

Eclipse Home Page at the NASA/GSFC Sun-Earth Connection Education Forum. This web site is continually expanding and strives to be the ultimate resource for online information about eclipses.

What is a Supernova? Hou do observing them tell us about dark matter and dark energy?

The nearest star is the
See the impact that the sun has on the earth.
Great pictures, solar wind forcasts,
electromagnetic storms and auroras!
Visit the National Oceanic and
Atmospheric Administration's
How much mass does the sun lose
and the earth gain from the fusion
of Hydrogen every second?
Sun images in H-alpha from max to min Solar flare beneath a prominence at the limb of the sun
Sun in the H-alpha line on May 3, 2002 X-ray picture of the sun Sun composite

Energy pulse
Diamond Ring Eclipse of sun. Adromeda Nebula