To learn
more about how a very bright light that is far away from the eye can appear
the same as a dimmer light that is closer to the eye, visit the following
web sites:
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Quarks to Quasars,
Bruce Bryson
This is a visual journey
consisting of 42 images -- 42 powers of ten. At one end of the journey is the immensity
of the known universe, 13.7 billion years old with a radius of at least 12 billion light
years (and probably much larger). At the other end of the journey is a depiction of the three
quarks within a proton.
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University Lowbrow
Astronomers: Naked Eye Observer’s Guide,
by Dave Snyder; University of Michigan, Ann Arbor
Learn more about how to observe the sky with only the unaided eye. This
is a good guide for observations without binoculars or a telescope. The
"Star" section explains why you can only see certain stars in the night
sky.
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To learn
more about how space contains many objects, including galaxies and
nebulae, visit the following web sites:
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Amazing Space,
Space Telescope Science Institute
This site contains educational materials and activities about the Hubble
Space Telescope (HST).
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Astronomy for Kids,
Astronomy for Kids
Find out what’s going on in the sky this month. Learn about our planetary neighborhood and the pictures the stars draw in the sky.
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Exploration of the Universe (EUD),
NASA
Maintained by the Laboratory for High Energy Astrophysics (LHEA) at NASA's Goddard Space Flight Center, the site
provides background information about the structure and evolution of the universe.
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Recording of a Large Meteor that Exploded on April 23, 2001
Over the Pacific Between California and Hawaii,
Acoustical Society of America
This recording was made by the infrasound array in California (in the Anza-Borrego desert) at a range of 1,800 km from the event.
The recording has been accelerated 200 times real speed so that the sound can be heard.
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To learn
more about how our solar system is part of the milky way galaxy, visit
the following web sites:
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Astronomy- Our Place in Space,
American Museum of Natural of Natural History
This site succinctly addresses questions relating to the solar system, galaxy, and universe.
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