In terms of nuclear reactions, two mechanisms make it possible to produce cosmogenic nuclides: The spallation The muonic capture The >>
Intercelestial
Metamorphism and Age
In addition to long-life radionuclides, a number of short-life radionuclides were present in the primitive solar system. Most of them >>
Radiachronology
There are two methods for determining the absolute age of a rock, so-called radiochronology: The isochronous method The cosmogenic nuclide >>
Prepare Your Observation of The Sky
As we said in the introduction, you have to prepare your observation before looking at the sky. At first it >>
What do We See During the Night?
During the night you will not only see stars in the sky but many other objects: The Moon: every month, >>
The Fall of Meteorites
In the past it has happened that some meteorites are so big and so heavy that they violently hit the >>
Shooting Stars and Meteorites
Most asteroids orbit very far from the Earth, between Mars and Jupiter. Some debris however or dust released by the >>
225088 Gonggong
225088 Gonggong (2007 OR10) discovered on January 8, 2005 by Michael Brown and his team thanks to the 1.26 m telescope >>
The Dwarf Planet, Pluto
Until 2006 it was the last planet of the solar system. It belongs today to the family of the dwarf >>