They were re-classified as "ice-giants" instead of "gas-giants" like Saturn and Jupiter. Jupiter and Saturn have atmospheres that become virtually liquid the...

New record temperatures. http://www.sciencedaily.com/releases/2014/11/141129075729.htm January to October 2014 highest temperatures on record.

When I heard the news that a new, distant asteroid had been discovered, one on the borderline of being recognized a planet, and that it had been named after...

Mission overshoots Venus orbit http://physicsworld.com/cws/article/news/44545 "The Japanese Space Agency, JAXA, has launched an investigation into a...

NONE! http://www.theweathernetwork.com/news/articles/whats-up-in-space-the-best-nasa-has-from-pluto-so-far/54248/

Newton's idea was the Earth attracts an apple, the moon attracts the tides,the Earth attracts the moon and ultimately the Sun attracts the Earth hence the...

In article , Darren Bly wrote: I have a friend who is looking for image stacking...

I'm caught between a rock and a hard place. I have some fairly small DSO images that I want to enlarge by 40-60%. Normally, I just do a bicubic enlargement...

I'm looking for something inititally for looking at mars, but I'll be looking at nebulae and galaxies too later on. I was hoping to spend about 500-600AUD...

I've always had a casual interest in astronomy, since I was a little tyke, as a matter of fact, but never really devoted any energy or money in the hobby. A...

Not visible from N. America but maybe someone can get a shot elsewhere? http://www.astronomy.com/news/2018/12/mars-tonight

Greetings, thanks all for your responses on my first scope and Dobson focuser inquiries. I've been wondering about the different types of eyepieces. I...

Anyone have any comments on which one is more desirable if money were no object? Reliability? Optics?

Good day I am contemplating buying the Celestron 130 SLT reflector for comet hunting. It is sold with a GOTO Alt-Az mount and is relatively compact and...

Is the Coulter Company still around. And if so where is their website?

With new browser (required by Herb York), I was functioning at Astromart, I had two transactions going, then suddenly with no warning, I cannot log in at...

INBOX ASTRONOMY: NEWS ALERT -- "FARTHEST, FAINTEST SOLAR SYSTEM OBJECTS FOUND BEYOND NEPTUNE" (STScI-PR03-25) EMBARGOED FOR RELEASE: 3:00 P.M. (EDT) SEPTEMBER...

Reasonably bright, with a tail, and a reddish hue. Well worth...

Back in October when I was taking widefield survey shots I took this tricolor emission line image of the IC1805/IC1795...

Is a Dobsonian telescope the cheapest but most powerful one can get for the money? I saw many with the computer finder also. Thanks.