NASA arranged to watch the transit of Venus until 2117

NASA and other EU institutions are arranged to watch the transit of Venus between 5 and 6 June, with dozens of activities to capture the best images from this moment not ensue again until 2117. The transit occurs when Venus passes directly between Earth and the Sun, which will see the planet as a tiny dot gliding slowly across the sun king, a phenomenon that was seen by astronomers as Galileo Galilei. Scientists from the sixteenth and seventeenth observed transits of Mercury and Venus, the two planets "inside", to measure the distance from Earth to the Sun in an effort to estimate the size of our solar system.

The second largest moon Rhea against Saturn transit

The second largest moon of Saturn might have its own ring system, which has not been found in any other known satellite, according to a study by the Max Planck Institute for Solar System Research in Lindau Katllenburg-(Germany) published in the journal Science.

The researchers, led by Geraint Jones, analyzed data from the spacecraft Cassini, "which recently flew over Rhea, and report on a surprising lack of electrons around the moon. This phenomenon is interesting because Rhea lies within Saturn's magnetosphere, a vast magnetic bubble that surrounds the planet and kept inside a trapped ions and electrons.