Search results for: How many stars
Gaia spreads its wings / Technology / Our Activities / ESA
7 Dec 2011 ... ESA's Gaia star-mapper has passed a critical test ahead of its launch in 2013: the spacecraft's ... How many stars are there in the Universe?
ESA - Kids - Our Universe - Supernovas
Known as a supernova, this violent event marks the death of a supergiant – a heavyweight star which is many times bigger than the Sun. One of the last ...
ESA - Space for Kids - Our Universe - Shooting stars
Shooting stars. There are several hundred comets that spend most of their lives among the planets of the inner Solar System. These comets leave many trails of ...
About satellite navigation / Navigation / Our Activities / ESA
15 Nov 2012 ... Traditionally, the Sun and the pattern of fixed stars have been their ... a few centimetres by measuring the object's position many thousands of ...
Hipparcos overview / Space Science / Our Activities / ESA
14 Oct 2003 ... An auxiliary star mapper pinpointed many more stars with lesser but still unprecedented accuracy, in the Tycho Catalogue of 1 058 332 stars.
An X-Ray Santa Claus in Orion / Space Science / Our Activities / ESA
30 Nov 2007 ... An early present for astronomers, the cloud suggests that hot gas from many star- forming regions leaks into the interstellar medium. The Orion ...
Space in Videos
Rating. Education at ESA - a mission to inspire and engage youngsters. Released: 10/12/2012. Rating. Did you know: How many stars exist in our solar system?
Extreme star cluster in new Hubble images / Space Science / Our ...
2 Oct 2007 ... The image shows many stars with differing masses but similar ages inside the young cluster. Stars of different masses evolve at a different pace ...
Andromeda's once and future stars / Herschel / Space Science / Our ...
5 Jan 2011 ... Sensitive to far-infrared light, Herschel sees clouds of cool dust and gas where stars can form. Inside these clouds are many dusty cocoons ...
SOHO discovers thousands of comets - ESA
Many of them are vaporised or plunge into the star. Roughly 85% of SOHO's discoveries are pieces of a once-great comet that split apart in a death plunge ...
