NATS 102 (The Physical Universe)
some relevant astronomy links

Today's Space News:
  • Astronomy Picture of the Day
  • Earth Picture of the Day
  • Sky Online
  • Universe Today
  • Space Daily
  • The Sky - Today & Tonight:
  • Today's Sun
  • The Daytime Sky
  • Tonight's Sky
  • Tonight's Satellites but please note the Current Time
  • Current Space Weather
  • Historical:
  • Stephen Hawking
  • Albert Einstein ("relativity" at age 100!)
  • Powers of Ten: Links Through the Universe
    The Sun (8 light-minutes from Earth):
  • Today's Sun
  • Current Images of the Sun
  • Space Weather
  • Auroral Activity
  • The Solar and Heliospheric Observatory (SOHO)
  • Solar System (10 light-hours across):
  • The Moon
  • The Multimedia Tour of the Solar System
  • The NASA Home Page
  • Photojournal of the Solar System
  • Near Earth Asteroid Visualization
  • Stars (light-years from Earth):
  • Virtual Trips to Black Holes & Neutron Stars
  • Falling into a black hole
  • Our Milky Way Galaxy (100,000 light-years accross):
  • Interactive Milky Way Panorama
  • CCD images of Messier Objects
  • Large Scale Structure of Galaxies (12 billion light-years across)
  • Interactive Hubble Deep Field Image
  • Ultra Deep Field Skywalker very cool!
  • Sloan Digital Sky Survey
  • The Cosmic Microwave Background (13.3 billion years old)
  • WMAP Mission
  • General Cosmology:
  • Cosmology 101
  • Timeline of the Universe
  • Maps of the Universe
  • Big Bang Concepts
  • What would the Big Bang sound like?
  • The Universe Adventure
  • "The Elegant Universe" (PBS movie)
  • The Sloan Digital Sky Survey (SDSS)
  • Interesting animations
  • Matter and Energy:
  • Dark Matter
  • The Particle Adventure
  • The "Standard Model"
  • Local Observatories & Telescopes:
  • Steward Observatory
  • Mount Graham International Observatory
  • Steward Observatory Mirror Lab
  • Kitt Peak National Observatory
  • National Radio Astronomy Observatory
  • Multiple Mirror Telescope
  • Large Binocular Telescope
  • Assorted Other Links:
  • Space Art done by various artists including UA grad Kim Poor
  • UA Students for the Explorations of Space