Location

Number of superclusters in the visible universe = 10 million
Number of galaxy groups in the visible universe = 25 billion
Number of large galaxies in the visible universe = 350 billion
Number of dwarf galaxies in the visible universe = 3.5 trillion
Number of stars in the visible universe = 30 billion trillion

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Time: Between 13.5 and 14 billion years. The age of the universe is the time elapsed between the Big Bang and the present day.

a 3D atlas of the universe

For the last 12 years, Carter Emmart has been coordinating the efforts of scientists, artists and programmers to build a complete 3D visualization of our known universe. He demos this stunning tour and explains how it’s being shared with facilities around the world. [Right-click+save for 720p version]

Detailed Map of Nearby Universe

The clustering pattern of about 100,000 nearby galaxies, revealed by the 6dF Galaxy Survey. Each galaxy is shown as a dot. The galaxy we live in is at the centre of the pattern. Credit: Dr Chris Fluke, Centre for Astrophysics and Supercomputing, Swinburne University of Technology.

The Neighbouring Superclusters

Supercluster, The Virgo

The Local Group of Galaxies

The Milky Way Galaxy

Milky Way

Our Milky Way galaxy has a total mass equivalent to around 3 trillion suns.

The Orion Arm

Number of stars within 5000 light years = 600 million

Selected Star Systems Within 65 Light Years (20 Parsecs)