SPACE

Links checked June 2016

 

This is the Powers Of Ten sequence, which starts at the size of the Universe, and then gradually zooms in.  It is great; it will work automatically, while you talk, or just watch!

The refracting astronomical telescope.

STARS

Animation comparing one star's life with another e.g. Earth with a giant star.

The life of stars in a good PowerPoint presentation.

Build your own star, and then see how it develops.  Clever.

Graph of black body radiation at various temperatures.

YouTube video of stars being organised into the Hertzprung-Russell diagram.

A simple animation of stellar parallax.

Graphic showing which elements are synthesised in which shells of a massive star.

THE BIG BANG

Basic Doppler effect wave-front applet.

Oscillating Doppler shift in the spectrum from an orbiting star.

Hubble telescope image of deep space galaxies.

 

SATELLITES

NASA's fleet of satellites animated; all orbiting in a couple of hours, and most on Polar orbits.

Wikipedia animation of geostationary satellite.

Find out about Envisat, the European Space Agency's satellite, observing land, sea, and atmosphere.

IMAGES OF SPACE

 

Hubble Telescope Images: Galaxy Cluster; Galaxy In A Field Of Stars; Globular Cluster; Horse's Head Nebula; Deep Space Galaxies.

THE NIGHT SKY

Wikisky for exploring objects in the night sky.

COMETS

 Comet animation (and other good things on this site)

Image of a comet.

ASTEROIDS

Position of asteroid belt. Image of asteroid.

PLANETS

An animated Solar System - excellent!

Map of Mars.

Image of Europa, one of Jupiter's moons.

This site is a very large collection of images, and short films, of the objects in the solar system.  There is also a lot of text information on the objects.

Looking at things in the solar system from different viewpoints e.g. What does the Sun look like from Mars?

 

GENERAL SITES

Nasa.

The Hubble Space Telescope - the official website.

ASTRONOMY PICTURE OF THE DAY