ESRL Global Monitoring Division - GRAD Group
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http://www.esrl.noaa.gov/gmd/grad/solcalc/
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solar
astronomy
sunrise
reference
sunset
tools
calculator
sun
noaa
photography
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Online converter
Conversion between Gallon Liter Celsius Fahrenheit Kelvin inches feet miles ... bytes based on computer storage (1 kB = 1024 bytes) bits based on data transfer rates in ...
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converter
tools
reference
conversion
calculator
science
online
tool
useful
math
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Network Calculators
Free TCP/IP Network Calculators. Includes web-based Subnet, Supernet and network / node ... or Enter the number of bits in the subnetmask. Subnet Mask Inverter ...
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network
networking
calculator
tools
subnet
sysadmin
reference
ip
internet
utilities
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Viewing Distance Calculator
1. Distance to main viewing location: feet ... 3. Choose Screen Size: (Enter either a diagonal screen size or width) ... Maximum recommended SMPTE viewing ...
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hometheater
tv
hdtv
calculator
reference
video
distance
viewing
tools
television
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http://www.calsky.com/
No information avaiable
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astronomy
space
calendar
reference
science
satellite
maps
calculator
astronomie
weather
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The Nine Planets Solar System Tour
Multimedia tour of the solar system -- one star, eight planets, and more -- with pictures, text, sound, and references to other resources.
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science
astronomy
planets
space
solarsystem
reference
solar
system
education
solar_system
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Date Duration Calculator: Days between two dates
The duration calculator calculates the difference in number of days, months and years between two dates.
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calculator
date
time
tools
calendar
reference
conversion
duration
utilities
dates
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Hyperfocal Distance and Depth of Field Calculator - DOFMaster
Free depth of field and hyperfocal distance calculators for Windows® operating systems and Palm OS® devices.
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photography
dof
tools
software
calculator
photo
depthoffield
reference
howto
tutorial
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The Astronomy Workshop
Over twenty interactive animations, orbital simulations, and learning tools for Planetary Science and Introductory Astronomy.
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astronomy
science
space
education
simulator
solar
calculator
system
online
tools
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Solar and Heliospheric Observatory Homepage
Cooperative effort between the European Space Agency and NASA to study the Sun, from its deep core to the outer corona, and the solar wind.
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astronomy
science
space
sun
nasa
solar
images
soho
physics
weather
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Microsoft WorldWide Telescope Web Client
This page requires Silverlight 3. ...
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astronomy
science
telescope
space
microsoft
tools
reference
silverlight
web
cool
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