Size and Scale of the Universe. Scale for the Universe 1 light-year = 1 mm.

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Presentation transcript:

Size and Scale of the Universe

Scale for the Universe 1 light-year = 1 mm

The Milky Way Milky Way Diameter = 100,000 light-years (on our scale) 100,000 mm = 100 m (football field)

M31 - Andromeda Galaxy Credit: Bill Schoening, Vanessa Harvey/REU program/NOAO/AURA/NSF Copyright Association of Universities for Research in Astronomy Inc. (AURA), all rights reserved.

The Local Group Distance to Andromeda Galaxy (on our scale) 2,500,000 mm = 2.5 km or 1.6 miles

The Virgo Cluster Credit: NOAO/AURA/NSF Copyright Association of Universities for Research in Astronomy Inc. (AURA), all rights reserved.

How Far to the Virgo Cluster? Distance to Virgo Cluster (on our scale) 50,000,000 mm = 50 km or 31 miles

The Coma Cluster Credit: NOAO/AURA/NSF Copyright Association of Universities for Research in Astronomy Inc. (AURA), all rights reserved. The Coma Berenices cluster of galaxies contains more than 1000 galaxies, with a large number of E (elliptical) and S0 (lenticular) types.

Keep going... Distance to Coma Cluster (on our scale) 350,000,000 mm = 350 km or 220 miles Farthest Supernova ever seen (on our scale) 10,000,000,000 mm = 10,000 km or 6000 miles London?