A Matter Of Perspective

   NASA/JPL/University of Arizona  Do you recall what you were doing at 6:20 a.m. Wednesday morning October 3 last year? That’s a tough one but I feel fairly certain that I was just waking up to the sound of my wife’s hairdryer. At that same moment, the Mars Reconnaissance Orbiter spacecraft took this picture of Earth…
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Huge Avalanche Seen On Mars

If you haven’t seen it yet, NASA released this amazing image yesterday of a large avalanche on the Red Planet taken by the Mars Reconnaissance Orbiter back on February 19. It was recorded by chance as the Orbiter was snapping pictures of Mars’ north polar cap. The slope at left running top to bottom is some 2,300 feet high. The…
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Riding A Cosmic Carousel

Bob King / News Tribune Another cold, clear night last night. The coyotes yipped and a few trees popped loudly as the temperature dropped to 12 below. Heat absorbed during the day quickly radiates away on a clear night making wintertime star gazing a challenge. Yesterday we looked at the rising and setting of stars…
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Forget The Shuteye, Gimme Summer

(Looking east at 5 a.m. tomorrow morning March 4 — created with Stellarium) I heard the sound of spring under my feet this weekend. While hikingdown Amity Creek, water rolling along under the ice broadcast amuffled but very musical gurgling. The flow of water, however hidden,recalls warmer times.The sky is like that too. When you go…
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Be Master Of Your Celestial Domain

(Sky from Duluth, MN 7:30 p.m. tonight — created with Stellarium) Unless you had access to dark, rural skies and a northern horizon, the forecasted aurora was probably a bust for you. After watching a movie with my kids, I drove out to the country and scanned the north around 1 a.m. A very low…
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