N. Cretton
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Weblinks in astronomy

Galaxies images (spirals, ellipticals, etc)


N-body simulations

Maps of peculiar galaxies

Powers of ten

  • 'Powers of Ten': a famous movie made in 1977 by Charles and Ray Eames (IBM), with english commentary here, also available here (9 min).

  • http://csaweb.yonsei.ac.kr/~rhee/2000/universe/power10.html: Korean webpage with clickable images from "Powers of Ten, the movie by Charles & Ray Eames (IBM)", which is "10의 제곱수들: 필립과 필리스 모리스 지음, 민음사 (비디오)" in korean, in case you're lost...(your browser needs Korean Text Encoding)

  • http://www.wordwizz.com/pwrsof10.htm: more modern version of the 'Powers of Ten', no animation: skip from -3 to +3 on a log. scale, viewing a series of pictures centered on a flower. (Copyright 2005-07 by Bruce Bryson)

  • http://micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10/: nice java animation, also manually clickable. (Copyright 1995-2007 by Michael W. Davidson and The Florida State University)

The SLOAN sky survey

Very nice site with astronomical projects, pictures, etc, based on a (real) Sky Survey: the ''Sloan Digital Sky Survey'': http://skyserver.sdss.org/dr1/en/

This site offers access to:
  • Full color images of over 80 million objects
  • Complete photometric (imaging) data for every object
  • Spectra of over 180,000 objects
  • Access to data on almost every type of astronomical object
Projects are available on a wide variety of topics including:
  • The Hubble Diagram
  • Colors in Astronomy
  • Spectral Types of Stars
  • Image Processing
  • Asteroids
  • The H-R Diagram
  • Galaxies
  • Sky Surveys
  • Quasars

Astronomy class in italian (University of Padova)


Planets of our Solar System

Planetary Photojournal: NASA's Image Access Home Page, tons of the most recent pictures taken by Galileo, Cassini-Huygens, HST, Mars Exploration Rovers, Mars Odyssey, Mars Reconnaissance Orbiter, Mars Global Surveyor, etc http://photojournal.jpl.nasa.gov/index.html

Recent MARS missions

see here.

Cassini-Huygens mission to Saturn and Titan

see here.

Hubble Space Telescope (HST)

ESO, Paranal and the VLT

FAQ (Frequently Asked Questions) about the Universe, the Big bang, etc)


Black Holes

Doppler Shift, redshift:

The Slingshot effect