How Big, How Far? Next: Earth Dr. Matt Bobrowsky

Next: Sun

Next: Big prominence

Next: Loops on sun

Next: Earth size quiz

Next: Earth vs. Sun loops

Next: Sun in UV

Next: Sun UV movie

Next: Earth and moon

Next: Earth and moon

Next: Mercury (“What’s this?”)

Next: Earth vs. Mercury

Next: Venus

Next: Earth vs. Venus

Next: Venus surface map

Next: Venus rotation movie

Next: Ishtar Terra

Next: Ishtar Terra vs. U.S.

Next: Mars

Next: Mars, Vallis Marinaris

Next: Earth vs. Mars

Next: Olympus Mons

Next: Olympus Mons—Oblique

Next: Vallis Marinaris

Next: Vallis Marinaris vs. U.S.

Next: Close-up of canyon

Next: Mars surface from Viking

Next: surface picture with dust storm

Next: Mars sunset

Next: Phobos

Next: Deimos

Next: Terrestrial planet size comparison

Next: Ida

Next: 3 asteroids

Next: Large asteroids vs. Western U.S.

Next: Jupiter

Next: Earth vs. Jupiter

Next: Great Red Spot, Io, Europa

Next: Great Red Spot (note turbulence)

Next: Great Red Spot close-up

Next: Great Red Spot movie

Next: Io

Next: Jupiter from Io’s surface

Next: Jupiter from Europa’s surface

Next: Saturn and 2 moons

Next: Saturn from Rhea

Next: Saturn from Tethys

Next: Earth vs. Saturn

Next: Saturn vs. earth-moon distance

Next: Dione

Next: Tethys

Next: Mimas

Next: Uranus

Next: Uranus from Miranda

Next: Uranus from Titania

Next: Neptune

Next: Earth vs. Neptune

Next: Leaving Neptune & Triton

Next: Pluto, Charon

Next: Earth vs. Pluto

Next: Pluto, Charon vs. U.S.

Next: Sun seen from Pluto, Charon

Next: All-planet size comparison

Next: Inner planet orbits

Next: Outer Planet Orbits

Next: Comet Hale-Bopp

Next: Kuiper Belt

Next: Sedna’s Orbit

Sedna’s Orbit Next: Planet comparison with Sedna and Quaorar

Next: 2003 UB313 (bigger than Pluto)

Next: Orion

Next: Orion and size of Betelgeuse

Next: Southern Milky Way Star Field

Next: Globular Cluster

Next: Spiral Galaxy (face-on)

Next: Spiral Galaxy (edge-on)

Next: Andromeda Galaxy

Next: Small Magellanic Cloud

Next: Large Magellanic Cloud

Next: Small Galaxy Group

Next: Galaxy Collision Movie—Part 1 of 3

Next: Galaxy Collision Movie—Part 2 of 3

Next: Galaxy Collision Movie—Part 3 of 3

Next: Galaxy Collision Movie

Next: Distant Cluster of Galaxies

Next: HDF

Last Slide!