Free Republic 2nd Qtr 2025 Fundraising Target: $81,000 Receipts & Pledges to-date: $79,241
97%  
Woo hoo!! And we're now over 97%!! Thank you all very much!! God bless.

Keyword: columba

Brevity: Headers | « Text »
  • Astronomy Picture of the Day -- Through a Sun Tunnel

    12/22/2011 7:55:27 AM PST · by SunkenCiv · 12 replies
    NASA ^ | December 22, 2011 | (see photo credit)
    Explanation: Today the Sun stands still at 05:30 UT. Halting its steady march toward southern declinations and begining its annual journey north, the event is known as a solstice. In the northern hemisphere December's solstice marks the astronomical start of winter. And if you're in the Great Basin Desert outside of Lucin, Utah, USA, near solstice dates you can watch the Sun rise and set through Sun Tunnels. A monumental earthwork by artist Nancy Holt, the Sun Tunnels are constructed of four 9 foot diameter cast concrete pipes each 18 feet long. The tunnels are arranged in a wide X...