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Activity
Other

The Official U. S. Time

For Students 9th - 10th
Get the official U.S. time from the official U.S. timekeepers, the National Institute of Standards and Technology (NIST), and its military counterpart, the U.S. Naval Observatory. Java needs to be enabled to see the timeclocks. There are...
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Interactive
US Navy

Usno: Virtual Reality Moon Phase Pictures

For Students 9th - 10th
In addition to providing the current phase of the Moon [within 4 hours] you can find the phase of the moon for any date and time from 1800 to 2199 A.D. Universal, Eastern, Central, Mountain, and Pacific Time Zones will apply to most users.