If the risk of a near-miss becomes too high, it remains to be seen whether we will rely on the >>
Category: Astrophysics
The Origins of Cosmogenic Nuclides
Where do the cosmogenic nuclides found in certain meteorites come from? As we have explained, the first source of nuclides >>
Interpretation of Measures
Getting values and understanding their meaning and in particular determining the exact age of a rock since its solidification involves >>
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 >>
Observatorium Arecibo
It was to solve the problem of spatial resolution that in 1960 William E.Gordon of Cornell University proposed to build >>
Spectroscopy
In 1666, during an optical experiment that he later described as “crucial,” Newton discovered the specter of light by playing >>