Monday, April 25, 2016

Beautiful Celestial Grouping in Pre-Dawn Sky Mon., Tue.

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Beautiful celestial grouping before dawn on Monday and Tuesday (2016 April 25 and 26). (Graphic Source: Sky and Telescope Magazine) ...
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Tuesday, April 19, 2016

Laser Cloaking of Earth From Alien Civilizations?

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(Image Sources: ESO / G. Hüdepohl) From: EarthSky.org In a paper published on Wednesday, 2016 March 30 in Monthly Notices of the Royal ...
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Thursday, April 14, 2016

Laser-Propelled Nano-Space Probe to Reach Alpha Centauri in 20 Years?

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Photograph of the spaceship depicted in the 1960s science-fiction television series, "Lost in Space," where a family had laun...
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Friday, April 8, 2016

Long-Distance AM Radio Reception At Risk?

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AM radio stations, particularly powerful stations, often transmit hundreds of miles at night due to "Sky-Wave" radio propagatio...
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Friday, April 1, 2016

Astronomical Calendar: 2016 April

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A giant mosaic of the Crab Nebula, a remnant of bright Supernova SN 1054 recorded by Chinese astronomers in A.D. 1054 as a "guest st...
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Sunday, March 27, 2016

Will Christians Agree to Fix the Date of Easter?

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For centuries, the Full Moon phase of the Moon figured prominently in the annual calculation of the date of Easter. However, this could po...
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Tuesday, March 22, 2016

Dim Penumbral Lunar Eclipse Early Wed. Morning

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Photographs of a Penumbral Lunar Eclipse in January of 1999 shows the dimming of the Southern Hemisphere of the Moon (left photo) compar...
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