How do 'waterworlds' form? / COROT / Space Science / Our ... - ESA

Of the 100 or so known planets around other stars, many are in the class called ' hot Jupiters'. These are Jupiter-like worlds, which orbit typically four to ten times ...

ESA Portal - Information Notes - The Sun as you never saw it before

It shows the Sun at Christmas sailing in front of the stars of the Sagittarius ... Many stars are brighter than the gas, and they create the background scene.

ESA - Kids - Our Universe - Dwarfs and supergiants

There are many different types of star. Red stars are the coolest, with surface temperatures of around 2500 degrees Celsius. Blue-white stars are the hottest, ...

Space in Images - 2012 - 12 - How many moons?

3 days ago ... How many moons? ... Currently 4 out of 5 Stars. 1; 2; 3; 4; 5. Thank you for rating! You have already rated this page, you can only rate it once!

Gaia factsheet / Space Science / Our Activities / ESA

24 Oct 2011 ... It will monitor each of its target stars about 70 times during a five-year period, precisely charting ... How many stars are there in the Universe?

Create your own Hipparcos star globe / Space Science / Our ... - ESA

ESA Science features news and resources to inspire the ...

The largest telescope mirror ever put into space / Extreme ... - ESA

http://www.esa.int/Our_Activities/Space_Science/Herschel/ Caroline_and_William_Herschel_Revealing_the_invisible; How many stars are there in the Universe ...

Young stars in old galaxies - surprising discovery with the world's ...

26 Jun 2002 ... These elliptical galaxies do shine with the diffuse, reddish glow normally associated with stars that are many thousand million years old.

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 ...