How big is the universe a photographic tour
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How BIG is the Universe? A Photographic Tour. Apollo 17 Lunar Rover (scale: a few metres). Space Shuttle, Columbia (scale: 100 metres). Barringer Crater, Arizona (1.2 km diam, 200 m deep - 50 m diam asteroid at 11 km/s). Earth (diam 12,756 km). Cloud covered Venus (0.95 Earth diameters).

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How big is the universe a photographic tour l.jpg

How BIG is the Universe?A Photographic Tour


Apollo 17 lunar rover scale a few metres l.jpg
Apollo 17 Lunar Rover(scale: a few metres)


Space shuttle columbia scale 100 metres l.jpg
Space Shuttle, Columbia(scale: 100 metres)


Barringer crater arizona 1 2 km diam 200 m deep 50 m diam asteroid at 11 km s l.jpg
Barringer Crater, Arizona(1.2 km diam, 200 m deep - 50 m diam asteroid at 11 km/s)


Earth diam 12 756 km l.jpg
Earth(diam 12,756 km)


Cloud covered venus 0 95 earth diameters l.jpg
Cloud covered Venus(0.95 Earth diameters)


Mercury 0 38 earth diameters l.jpg
Mercury(0.38 Earth diameters)


The moon 0 27 earth diameters l.jpg
The Moon(0.27 Earth diameters)


Slide9 l.jpg
The Sun(diam 1 392 000 km or 109 Earth diameters,distance 150 000 000 km or 1 astronomical unit - 1 AU)


Slide10 l.jpg
Eclipse of the Sun by the Moon as seen from Antarctica(both subtend almost exactly the same angle of half a degree at the Earth)


Mars the red planet 0 53 earth diam l.jpg
Mars - the Red Planet(0.53 Earth diam)



Phobos and deimos max lengths 28 and 16 km l.jpg
Phobos and Deimos(max lengths 28 and 16 km)



Asteroid gaspra 20 km long l.jpg
Asteroid Gaspra(20 km long)


Jupiter and its great red spot 11 2 earth diam distance 5 2 au l.jpg
Jupiter and its Great Red Spot (11.2 Earth diam,distance 5.2 AU)



Jupiter with top to bottom io europa ganymede and callisto l.jpg
Jupiter with (top to bottom)Io, Europa, Ganymede and Callisto


Io and its sulphur volcanoes 0 28 earth diam 1 04 moon diam l.jpg
Io and its sulphur volcanoes(0.28 Earth diam, 1.04 Moon diam)


Ganymede largest moon in the solar system 0 41 earth diam 1 51 moon diam l.jpg
Ganymede, largest moonin the Solar System (0.41 Earth diam,1.51 Moon diam)


Not all jupiter s moons are large thebe 100 km ama l thea 270 km max and metis 40 km l.jpg
Not all Jupiter’s moons are large:Thebe (100 km), Amalthea (270 km max) and Metis (40 km)


Saturn and its beautiful rings 9 4 earth diam at 9 6 au l.jpg
Saturn and its beautiful rings(9.4 Earth diam at 9.6 AU)



Uranus the tilted planet 4 0 earth diam at 19 2 au l.jpg
Uranus, the tilted planet(4.0 Earth diamat 19.2 AU)


Neptune 3 9 earth diam at 30 1 au l.jpg
Neptune(3.9 Earth diamat 30.1 AU)


Slide26 l.jpg
Pluto and Charon - double planet(0.18 and 0.09 Earth diam1.54 Earth diam apartat 29.7 to 49.4 AU from Sun)


Slide27 l.jpg
Comet Hale-Bopp in March 1997A comet tail can be over 1 AU long,but its nucleus measures only a few km across



Southern pinwheel galaxy 15 million light years away and similar to the milky way l.jpg
Southern Pinwheel Galaxy15 million light years away and similar to the Milky Way


How the milky way might look seen edge on l.jpg
How the Milky Way might look seen edge-on

Sun

160 million light years





Andromeda galaxy 2 5 million light years away most distant naked eye object l.jpg
Andromeda Galaxy(2.5 million light years away -most distant naked eye object)


Giant elliptical galaxy m87 in virgo cluster 50 million light years away l.jpg
Giant Elliptical Galaxy M87in Virgo Cluster50 million light years away


Virgo cluster of galaxies 1500 galaxies 9 million light years across 50 million light years away l.jpg
Virgo Cluster of Galaxies1500 galaxies9 million light years across50 million light years away


Coma cluster l.jpg
ComaCluster


Slide38 l.jpg
Hubble Deep Field showing galaxies over 10 billion light years away (looking back in time to near the beginning of the universe)


How the milky way might look seen edge on39 l.jpg
How the Milky Way might look seen edge-on years away (looking back in time to near the beginning of the universe)

Sun

160 million light years


The milky way as seen from australia notice the pink nebulae where new stars are forming l.jpg
The Milky Way as seen from Australia years away (looking back in time to near the beginning of the universe)(Notice the pink nebulae where new stars are forming)


Milky way with faulkes telescope in australia in foreground l.jpg
Milky Way with Faulkes Telescope in Australia in foreground years away (looking back in time to near the beginning of the universe)


Slide42 l.jpg
The constellation of Orion years away (looking back in time to near the beginning of the universe)and the Milky Way(The bright stars we see here are no more than a few hundred light years away)

Betelgeuse

Rigel

OrionNebula


Orion nebula a small star forming region about 1 light year across l.jpg
Orion Nebula years away (looking back in time to near the beginning of the universe)a small star forming region about 1 light year across


New solar systems forming in orion l.jpg
New solar systems forming in Orion years away (looking back in time to near the beginning of the universe)


Slide45 l.jpg
New stars forming in pillars of molecular hydrogen and dust that are light years in length (in Eagle Nebula)


Pleiades and hyades star clusters with jupiter and saturn l.jpg
Pleiades and Hyades that are light years in length (in Eagle Nebula)star clusters(with Jupiter and Saturn)


Betelgeuse a red supergiant star big enough to reach the orbit of jupiter l.jpg
Betelgeuse - a Red Supergiant star that are light years in length (in Eagle Nebula)(big enough to reach the orbit of Jupiter)


Life cycles of stars in outline l.jpg
Life Cycles that are light years in length (in Eagle Nebula)of Stars in Outline


Helix planetary nebula 1 5 light years across l.jpg
Helix Planetary Nebula (1.5 light years across) that are light years in length (in Eagle Nebula)

White dwarf star(remains of core of star and about size of the Earth)

Planetary nebula(remains of outer layers of star)


Slide50 l.jpg
Cat’s Eye Planetary Nebula and white dwarf that are light years in length (in Eagle Nebula)(A solar mass white dwarf would be only as big as the Earth)


Cocoon planetary nebula l.jpg
Cocoon Planetary Nebula that are light years in length (in Eagle Nebula)


Ring planetary nebula l.jpg
Ring Planetary Nebula that are light years in length (in Eagle Nebula)


Abell planetary nebula l.jpg
Abell Planetary Nebula that are light years in length (in Eagle Nebula)


Crab nebula a supernova remnant remains of a star that exploded 10 light years across l.jpg
Crab Nebula that are light years in length (in Eagle Nebula)a supernova remnant - remains of a star that exploded10 light years across

neutron star about 10 kmacross is at centre (not visible)


Vela or gum nebula l.jpg
Vela or Gum that are light years in length (in Eagle Nebula)Nebula


A black hole radius of a 10 solar mass black hole would be only 30 km l.jpg
A Black Hole that are light years in length (in Eagle Nebula)(“Radius” of a 10 solar mass black hole would be only 30 km)


Slide57 l.jpg
A black hole a few million times the mass of the Sun lurks at the centre of our galaxy and causes nearby stars to orbit very rapidly



Slide59 l.jpg

Gravitational lensing by a galaxy cluster 2 billion light years away bends light from a galaxy so far away that its light has been travelling for 95% of the age of the Universe


The end l.jpg
The End years away bends light from a galaxy so far away that its light has been travelling for 95% of the age of the Universe


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