Superclusters – regions of space that are densely packed with galaxies – are the biggest structures in the Universe. But scientists have struggled to define exactly where one supercluster ends and another begins. Now, a team based in Hawaii has come up with a new technique that maps the Universe according to the flow of galaxies across space. Redrawing the boundaries of the cosmic map, they redefine our home supercluster and name it Laniakea, which means ‘immeasurable heaven’ in Hawaiian. (Source: Nature Video)
The incomprehensible vastness of the universe, the wonder of our own place in it all… Carl Sagan was able to explain the science of space in a way everyone could understand.
Among his long list of roles and accomplishments, the Cornell professor and NASA advisor is possibly best known for the 13-part television series, Cosmos, which reached millions of people worldwide and sealed his place as celebrity scientist. Maybe he was teased a bit for his tendency to say “billions”, a lot.
But Carl Sagan had this amazing talent for explaining the scientific wonders of the universe without losing … Read More »
Does life exist anywhere else in the universe? And how did it get started? Scientists are seeking the answers in the cosmos, our solar system and right here on planet Earth. (Source: The Economist)