Stars
-
The basic difference between a star and a planet is that a star emits light, but a planet shines by reflected light.
-
Supernovae are vast explosions in which an entire star is destroyed.
-
During the Astronomical Congress of 1928, it was decided to recognize 88 constellations.
-
Pulsars were discovered in 1967 by Jocelyn Bell and Anthony Hewish at the radio astronomy observatory at Cambridge.
-
This is the story of the birth and death of stars, of the origin of the elements and of the fight of matter against gravity.
-
The first white dwarf star to be found was the companion to the bright star Sirius. Sirius and its companion are in mutual orbit about each other and...
-
A black hole is an object which has such a strong gravitational field that its escape velocity is greater than the speed of light.
-
Many people have attempted to give an astronomical explanation for the star of Bethlehem, but none seem fully satisfactory.
-
All official names have to be adopted by the IAU, and are allocated to different types of object.
-
Facts and figures about the 25 brightest stars, including apparent and absolute visual magnitude, distance and spectral type.
-
Facts and figures about the 30 closest stars to Earth, including apparent and absolute visual magnitude, distance and spectral type.
-
Extracts from African star myths, kindly donated by the South African Astronomical Observatory.
-
In 2001 the Gemini North telescope obtained a striking image of gas being expelled from a young massive star.
-
The star cluster Praesepe in the spring sky may be two separate clusters.
-
In 1999 European astronomers used an optical detector to measure colour and intensity changes in a binary star for the first time.
-
In 2002 the most distant group of galaxies was discovered about 13.5 billion light-years away from our Milky Way galaxy.
-
In 2003 a flat star was seen with measurements made using the Very Large Telescope Interferometer (VLTI).
-
In 2003 astronomers discovered the bright, hot, star-forming region known as the Lynx arc.
-
In 2006 radio astronomers watched the aftermath of an explosion in a star system 5000 light years away.




















