Friday, April 23, 2010
Wednesday, April 21, 2010
Openings for This Friday's Overnight Camp!
Hello Everyone,
The Overnight Camp this weekend has openings! If you're interested in attending please send an email with the following information.
Camper's Name:
Age:
Parent or Guardian Name:
Phone Number:
Normal price is $43.00. Blog readers and Frequent Flyers can come in for $38.00 payable on arrival Friday night with a check or cash. The camp is open to everyone between the ages of 10 and 14 years old. Starting Time: Friday 7:00 P.M. Camp ends Saturday at 10:00 A.M.
Thank you!
Mr. Williamson
The Overnight Camp this weekend has openings! If you're interested in attending please send an email with the following information.
Camper's Name:
Age:
Parent or Guardian Name:
Phone Number:
Normal price is $43.00. Blog readers and Frequent Flyers can come in for $38.00 payable on arrival Friday night with a check or cash. The camp is open to everyone between the ages of 10 and 14 years old. Starting Time: Friday 7:00 P.M. Camp ends Saturday at 10:00 A.M.
Thank you!
Mr. Williamson
Sun Size and Altitude
Photographer: Rob Ratkowski
Summary Author: Rob Ratkowski
Astronomers are frequently asked why we have our observatories on high mountain tops. A big part of looking into deep space has to do with atmospheric transparency and freedom of particulates along with heat that causes blurring. A simple but effective understanding of this 'seeing' is to put a finger at arm’s length in front of the Sun and observe the aureole that’s produced. Held at arm’s length, a finger tip subtends about one half of a degree of sky – nearly the same amount of space that both the Sun and Moon take up. At sea level, observing is often compromised by the build up of heat, dust, moisture, haze, pollution, and aerosols that include ash and even salt. Higher up, there’s less of this to deal with since there’s less atmosphere to peer through. These three photos were taken on the Hawaiian island of Maui at (left to right) Baldwin Beach, Kula and Haleakala Observatory, respectively. The disk of the Sun is completely hidden by my index fingertip at 10,000 ft (about 3,050 m). Note, I can positively verify that my finger didn’t increase in size as a result of the thinner air.
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