Although Italian by birth, maritime explorer Christopher Columbus sailed across the Atlantic Ocean and discovered the Americas under the Spanish emperorâs name. During his first voyage, he led three Spanish galleons, the NiÃ±a, Pinta, and the Santa Maria.
Instead of the general notion that a void is a region of space with a low cosmic mean density; a hole in the distribution of galaxies, it defines voids to be regions in which matter is escaping; which corresponds to the Dark Energy equation of state, w.
So far, only 60 galaxies have been discovered in the BoÃ¶tes void. Using a rough estimate of about 1 galaxy every 10 million light-years (4 times farther than Andromeda Galaxy from Earth), there should be approximately 2,000 galaxies in the BoÃ¶tes void.