Hi: If all layers of earths atmosphere had the same thickness of air and the atmosphere somehow grew large enough in diameter to include the sun, would we...

England's first roundabout! Hey guys, I've just arrived back in the States after having the time of my life in your fair country. Although I probably didn't...

Hi everyone, I'm new to this forum and want to learn more about our solar system and beyond. I'm eight years old and feel too advanced for what my school are...

I have found the two old measurements: "In 1818 Arago found that the refraction of a prism for star light was the same for light incident in the direction of...

Hi all, not posted on usenet for a long time! Here's a shot of Jupiter I took with my C-14 on the night of September 3/4 2010. This particular shot was taken...

In message , Sea Wasp writes Kleopatra44 wrote: You can come home if thing's turn...

Hi all, I'll take my chances here for getting flamed posting a commercial. But hey, it's subject matter related, guaranteed not to enlarge your tally wacker...

Hi all, I'm new here. Looking for an ultra-portable way to view the stars. I live in a flat, so I want something I can take downstairs to the rear gardens at...

What is the faintest "source" that can be spectroscopically analysed via a telescope for fraunhofer lines and elemental composition? I know bright galaxies...

Another clear evening last night but with the moon a little high. Took this with the Canon 350D and 80mm Skywatcher refractor mounted on a celestron goto...

Hi all, I came here 2 weeks ago ("Best budget computerized telescope is?") and got some great advice. I definitely want a computerized scope. I have narrowed...

All, My neighbour has a bright light (100W bulb?) just above her back garden door which she has got into the habit of leaving on all evening every evening...

Here's a update for my November 2005 project to capture the shadow cast by Venus... http://www.digitalsky.org.uk/venus/shadow-of-venus_2.html --...

I'd appreciate your comments on the following... Electrophonic Meteors are meteors where the observer reports hearing a sound simultaneously with seeing the...

Nominations for new entries to the Astronomical Hall of Shame are welcomed. How about the "MI5 Persecution" poster for example? Visit the Hall at :-...

Hi, I was very lucky to have big gaps in clouds tonight in Edinburgh. It was really magnificent! http://www.gogo.me.uk/comet/mcnaught.html Gogo

Patrick Moor is not happy with the scheduled programming for his 650th edition of The Sky At Night. In an era when the BBC has 24 hours of rather repetitive...

Hi, I'm on my way to England tomorrow (9/9) and need some cute expressions that will endear me to all you Brits. You know, stuff like 'blimey'...

Latest Hanwell Community Observatory double stars news: Gamma Virginis 2005, the most spectacular binary star event of the century - don't miss...

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