Hi all, I hope you'll like this new image of the nebula M57 obtained from two different series of shots in H-Alpha and...

Each summer, high in the night skies of the far northern and southern hemispheres a unique phenonmenon occurs - noctilucent clouds. Little is known about them,...

I have been explaining the fact that gravity is purely/only an effect of thermodynamics since the turn of the century! http://physics.sdrodrian.com ] So it is...

Hi all, Trying again Jupiter 12/07/10 RA 0h 13m 41s Dec +0º 02' 58" Uranus 12/07/10 RA 0h 03m 18s Dec -0º 28' 28" Jupiter 26/07/10 RA 0h 14m 40s Dec +0º...

Hi, I'm pleased to see that the web site for LOFAR-UK, The UK Contribution to LOFAR, is back up and running. http://www.lofar-uk.org/index.html -- David...

Traditionally,the seasons were explained using a vague reference to 'tilt' as though the orientation of the Earth to the Sun was responsible for temperature...

http://www.timesonline.co.uk/tol/system/topicRoot/Sky_at_Night/ - has The Times's Night Sky : June 2010 been cancelled because of the weather? -- (c) John...

http://www.nasa.gov/topics/solarsystem/features/asteroid20100527.html Can anyone explain to me the mechanism.? Velecity of rocket part, relative to the earth...

BBC's The Sky at Night sometimes shows pictures taken by viewers. Anyone know if they have an e-mail address or similar where people can send in pictures? Or...

Hi All A couple of quick questions. Fieldview guest house, Norfolk & Astroadventures in Devon:- Are there other places like these in the south of England?...

Pete Lawrence is the author of this month's Astronomy column in The Times. Pete, are you replacing Chris Lintott now or is it a one-off? I enjoyed reading...

See the video on YouTube ... Olferttest002 http://www.youtube.com/user/Olferttest002 29. apr 2010 How to find M42, The Orion...

I sent this question to "Ask Alan" at Astronomy Now magazine but didn't even receive an acknowledgement so now it's your turn... ;-) Given that Mars can be a...

Did anyone see an asteroid pass Earth on Friday (around 1330 hours Universal Time if I am translating the time zones correctly)? I just switched to the Dish...

Superb http://apod.nasa.gov/apod/ap100422.html

If the expansion of the universe is causing some galaxy to move away from us at some velocity and if the expansion of the universe stays constant, will the...

If we use the redshift of light from a far galaxy to calculate its radial velocity away from us then use the Hubble Law to find a distance, what is this...

If we use the redshift of light from a far galaxy to calculate its radial velocity away from us then use the Hubble Law to find a distance, what is this...

Seen looking W or SW, from Godalming. Descending from right - north-ish - and descending at an apparent angle of very approximately 45 degrees. Slow, big and...

Hi all, Just to say thank you to all the people who responded to my initial post. I must confess that I saw Mercury much more this apparition than I...