Cosmic magnetism summer student
A CSIRO Summer Student has been tackling one of the most challenging problems in astrophysics: the relationship between galaxies and their magnetic fields.
What is a solar eclipse?
Discover how the Sun, Moon and Earth form one of the most spectacular astronomical events you may ever see, by turning day into night.
Transit of Venus 2004
Watch a video replay (no audio) of a webcast recorded from Canberra, Australia, which shows the transit of Venus across the face of the Sun in June 2004. (14:00)
Transits of Mercury and Venus
Discover why the planets Mercury and Venus are the only two planets to transit the Sun, when viewed from the Earth, and why transits of Venus are rare.