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Structure Typical adult human Mass of the total human population Mass (kg) M0 (Solar mass where our Sun's mass is equal to 1) 70 kg -- 11 4 x 10 kg 6 x 1024 kg The Sun 1.9891 x 1030 kg 1 Solar System Very Low mass stars Low mass stars (includes the Sun) Intermediate mass stars Massive stars Less than mass equivalent of the energy of a photon at the peak of the spectrum of the cosmic microwave background -40 radiation (4.2 x 10 kg) Tobacco mosaic virus (6 x 10 kg) 3 x 10-6 -20 Human sperm cell (2.2 x 10-14 kg) 1.99 x 10 kg 1.0014 Human sperm cell (2.2 x 10-14 kg) 1029 kg E. coli bacterium (1 x 10-15 kg) 30 0.5 1029 - 1030 kg 0.5-2.2 Human sperm cell (2.2 x 10-14 kg) 1030 kg Yeast cell (6 x 10-14 kg) 2.2-5 5-150 (avg 10 - 10 kg 7-10) Green algae cell (5 x 10-13 kg) 30 31 35 Globular cluster 10 kg 1.9 x 10 Black hole at center of Milky Way galaxy 1 x 106 Supermassive black hole Indescribably small -- Earth Scale Model mass equivalent (Equivalents taken from http://en.wikipedia.org/wiki/ Orders_of_magnitude_(mass)) Comments 1036 kg 40 3.6 x 10 kg -- 5 The Sun is 332,946 times the Earth's mass The Sun makes up most of the Solar System's mass Betelgeuse = 20 solar masses, 4 x 1031 kg -9 Human egg cell (3.6 x 10 kg) -Amount of caffeine in a cup of coffee (2 x 10-4 kg) Irregular galaxy 1039 - 1041 kg 108 - 1010 2 raisins (1 x 10-3 kg or 1 gram) OJ287 = 3.6 x 1040 kg Spiral galaxy (includes our own) 1.2 x 10-42 kg 1 x 1011 Elliptical galaxy 1038 - 1043 kg 107 - 1013 Milky Way = 5.8 x 12 10ml of water (1 x 10 kg or 10 10 solar masses, grams) 1.2 x 1042 kg From mosquito to an orange (1 x 10-6 kg to 1 x 10-1 kg or 100 grams) -2 Local Group or Cluster (includes Milky Way galaxy) 2-3 x 1042 kg 1.29 x 1012 Adult mouse (2 x 10-2 kg or 20 grams) Galaxy cluster 1045 kg 1 x 10 15 Medium sized dog (1 x 101 kg or 10 kg) Supercluster 1046 kg 1 x 10 16 Female lion (130 kg) Galaxy filament (filament found through its gravitational lensing of the Abell 222/223 supercluster) 1.5 x 1044 kg Local Supercluster (includes Milky Way galaxy) Void 45 1-2 x 10 kg -- 1.5 x 1014 Chihuahua dog (1.5 kg) 1 x 10 -- Observable universe (does not include dark 51 matter or dark 6 x 10 kg to 52 energy) 3 x 10 kg -- 15 Thought to make up over 50% of the mass of the Universe Medium sized dog (1 x 101 kg or 10 kg) --- Thought to contain 20% of the mass of the Universe 3 x 1052 kg = 25 RMS Titanic, fully loaded (5.2 x billion Milky Way 7 10 kg) galaxies Universe (includes dark matter/energy 52 6 x 10 kg About 22 10 RMS Seawise Giant, fully loaded, largest ship ever built 8 (6.6 x 10 kg) Dark matter (25%) and dark energy (70%) make up 95% of Universe's mass. Ordinary matter makes up less than 5%.