why the universe can be transparent, explained
by José Joaquin Galánmartes, septiembre 13, 2016
Reionization as illustrated by data from the Hubble and Chandra space telescopes. Credit: NASA/CXC/M.Weiss. Two papers published by ...Read More
Reviewed by José Joaquin Galán
on
martes, septiembre 13, 2016
Rating: 5
A Perseid on the far right near the Pleiades Cluster This Perseids meteor shower with a ZHRmax 150 during the August 11-12 night...