Could the Earth become tidally locked with the Sun (hypothetically; say the Sun has increased in size to allow it), or would the presence of the Moon prevent...

Dear Sir / Madam If it would be interesting for you to learn, 1) why the signals of Extraterrestrial Civilizations have not...

Scientists have invited the public to trawl high-resolution images for signs of NASA's Mars Polar Lander, which went silent on arrival at Mars in 1999. Finding...

I have written often of the common ground between musical creativity and astronomical thinking - "I carry my thoughts about with me for a long time... before...

Bye for now, George Dingwall Invergordon, Scotland http://www.georgedingwall.co.uk

Hi all, a picture of the Moon at its first day. This is a mosaïc of 14 frames, taken with a Toucam Pro at the prime focus of my C8, with an IR-cut...

Ok, so the brightness of a star is supposed to be proportional to the luminosity / distance squared. If a star's luminosity suddenly increases by 600 then...

A recent press release from Cerro Paranal (home of the VLT) where local staff have been photographing the Green Flash (last refracted rays of the setting...

The shifting, shimmering Northern Lights might be more ordered than anyone realised. New observations suggest that, contrary to expectations, some of the...

23.15 - Rural SE Wales - I was walking with my dog when we were lit by the lights of an oncoming car, or so I thought. But it wasn't. I looked up to see...

University of Texas (Austin) astronomers Michael H. Montgomery and Kurtis A. Williams, along with Steven DeGennaro, have predicted and confirmed the existence...

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How do I compute the smallest angular size which can be resolved given the size of the refractor, when no wavelengths are given? Is there a simple formula...

At the cores of many galaxies, supermassive black holes expel powerful jets of particles at nearly the speed of...

Several years ago, while surfing, I came across a most wonderful site dedicated to weather patterns, aurora, clouds, atmosphere and such things. If I remember...

Hi Has anyone got any back issues of the magazine they would like to sell? I will post the issue Nos later when I have gone through my collection. Just...

Bits of Halley's Comet will streak into the Earth's atmosphere before dawn on Monday during the peak of the eta Aquarid meteor shower. Moonlight will not...

Hi all, Here are some lunar images from the first half of April... Large format lunar mosaic of a 2.6 day old Moon - presented...

Over it goes... http://www.digitalsky.org.uk/solar/2008/2008-05-01_08-08-09_SVF70ds.jpg -- Pete Lawrence http://www.digitalsky.org.uk

Here's a big mosaic of the Sun taken through a Solarscope SF-70 filter on the 24th April 2008. The file is approximately 1.5Mb in...