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David Oscarson Edwin Hubble Rollerball Pen - Martian Green G Ultra glide rollerball refill with63 pieces worlwide Edwin Hubble Rollerball Pen by David Oscarson in Martian Green finesse. Edwin Hubble (1889 1953): The Man Who Expanded the Universe Born in Marshfield, Missouri, Edwin Hubble is best known for his groundbreaking work in the field of astronomy, particularly his discovery that the universe is expanding. Before Hubble's observations, the prevailing belief was that the universe was static and confined to the Milky Way; however, through