A recent image taken by the ESA / NASA Hubble telescope has identified a stardust factory. It is an area of the Iris Nebula or NGC 7023, illuminated by the light of a nearby star, HD 200775, and similar to a large cotton cloud.
Every November, the orbit of the Earth passes through the trail of dust from Comet Temple-Tuttle, giving rise to the Leonid meteor shower, relatively low intensity shooting stars that will be seen today and tomorrow.
Celestia is a free, three-dimensional space simulator with an extensive catalog of stars (100,000), galaxies, planets, moons, asteroids, comets, and even artificial satellites and spaceships.
Virtually recreating the infancy of the Universe, astrophysicists at the SLAC National Accelerator Laboratory in the United States have concluded that the first stars emerged two by two.
This year marks four centuries since humanity first observed the sky with a telescope. To celebrate, at the L? Estudiolo de Pèndulum in Barcelona have prepared a functional replica of Galileo's telescope.
In 1609 Galileo Galilei aimed a telescope at the sky for the first time. Four hundred years later, the United Nations (UN) has decided to commemorate it by declaring 2009 the International Year of Astronomy.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
