• 'Hubble bubble' hypothesis reveals mystery of universe's expansion

    'Hubble bubble' hypothesis reveals mystery of universe's expansion

    Mar 11, 2020, 09:27 AM IST

    A hypothesis by a theoretical physicist from the University of Geneva (UNIGE) states that "the earth, solar system, entire Milky Way and the few thousand galaxies closest to us move in a vast “bubble” that is 250 million light years in diameter, where the average density of matter is half as large as for the rest of the universe."