Kepler-22b: An extrasolar habitat!

Kepler-22b

The practicality of extrasolar habitats had made a successful way from the pages of science fiction to the papers of active research. Now comes one of the greatest milestones in this field with the finding of a planet in the habitable zone of a star and scientists, on account of its size, think it to be a possible super Earth.

Share

Can Variable dark energy explain old galaxy clusters?

                                                   

Does dark energy change over time? A puzzling model of this  as yet undetected entity that is thought to be accelerating the universe's expansion could explain some puzzling observations of galaxy clusters. But it will have to jump many more hurdles to compete with the simplest and so far most successful model of the elusive entity.So lets see that how it will be helpful in crossing those hurdles !!

Share