last updated 2/3/10

ASTRONOMY 330 LINKS PAGE


HISTORY

Excellent history of astronomy up to the time of Galileo

New interactive history of cosmology website from the American Institute of Physics

Click below for some wonderful biographies; here is the main index of the website.

         Ptolemy   Hipparchus  Copernicus   Kepler  Brahe*  Galileo  Newton  Halley

*Click on the link "Tycho Brahe's Nose" for a more "colorful" Tycho Brahe page, including his nose, his pet moose and his death.

The Shapley-Curtis Debate

Heliacal Rising of Sirius

Copernicus's Seven Axioms


SCALE AND MOTION

Refresher on Scientific Notation

Powers of Ten applet

Here's an actual SCALE MODEL of the solar system that was constructed along Route 1 in Maine. The scale is 1 mile=1 AU. (1 AU = the distance from the Earth to the Sun = 93 million miles = 150 million km.) At this scale, the nearest star would be beyond the real orbit of the moon!

Explanation of distances in astronomy, and parallax

A Parallax applet

Schematic of what retrograde motion looks like. Double-click the image to start.

What it really looks like, shown here when Jupiter and Saturn happened to be located in the same part of the sky.

Retrograde Motion - Ptolemy's explanation

Retrograde Motion - Copernicus' explanation

An Interactive applet for Kepler's Laws, Retrograde Motion, Inner Planet Phases, and more...

Newton's Mountain


PHYSICAL PRINCIPLES

Galileo was right!

Transverse and Longitudinal Waves

Doppler effect in 30 mph Volvo from Exploratorium

The Doppler Effect

Blackbodies

Kirchhoff's Laws

The Orion Nebula

The Rutherford Experiment:
if positive charge were evenly spread throughout an atom
if the positive charge were concentrated in a tiny nucleus


IMAGES, STARS & SKY


The Globe at Night - 2010, a worldwide effort to map and raise awareness of light pollution

Hubble Space Telescope Latest Information

SKYLIGHTS: Weekly Astronomy News & Images

Stars: Portraits of Stars and Their Constellations

Sky & Telescope Interactive Star Charts


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