http://neilenglish.net/invictus-2/

http://www.wired.com/2015/04/irobot-lawnbot/ (How are garage door openers, Mars rovers and robot mowers alike? They are all controlled by humans and have no...

http://www.usap.gov/videoclipsandmaps/spwebcam.cfm Polar night has now set in and the magnification guys would have a ball spending the polar night for months...

http://www.msss.com/mars_images/moc/2003/05/22/earth_americas250.jpg As the Earth moves through space and around the Sun, the North and South poles turn in a...

.... by a large amount. https://twitter.com/rahmstorf/status/731840429352730625/photo/1?ref_src=twsrc%5Etfw Globe continues to warm.

I have been renting a Sony A7S with a wide angle 24mm lens and have been very impressed with the camera's capabilities. However, due to the time constraints...

I was reading the introduction to _The Canterbury Puzzles_ by Ernest Dudeney. In that introduction, he mentions an old saw: a young boy is holding one end of...

And the weather looks good in the U.S. NE.

On Wednesday, May 11, 2016 at 2:20:55 PM UTC-4, Slurp, who has a huge CO2 footprint wrote: https://twitter.com/i/videos/tweet/729753441459945474? Then no...

I was lucky, it was mostly clear in the northeastern U.S. though the air was unsteady as it usually is in...

"Put more plainly, pretend you're Earth, watching Mercury run around a track. As it runs its loop, it will start out moving from the left side of your field of...

Trials with an Explore Scientific AR152 f/6.5 achromat continue . . . Back in the nights when comet hunting was a priority I desired a 6-inch f/8 achromat. ...

From our position on a slower moving Earth we have a grandstand view of Mercury and Venus as they make a circuit of the Sun...

Time it would take to get the Current rocket technology: 365,000-400,000 years. 1957's Project Orion ship: 195-240 years. Think about it.

Hello. I can actually write English as well. I am a newcomer to the group. I have had an active interest in astronomy for 15 years, roughly. My wife...

http://www.huffingtonpost.com/entry/gopro-rocket_us_572ab881e4b096e9f09053d3?ir=Science&section=us_science&utm_hp_ref=science

Radio Meteor Observation Bulletin No. 273 of April 2016 (47 K) is available now as http://www.rmob.org/rmobtext/rmob1604.txt More information and the visual...

Spring is galaxy season. When I was younger I remember poring over my star atlas and fixating on the area known as the realm of Galaxies. There are dozens of...

Anyone find they work slightly better with a counterweight attached to the other side (side opposite the telescope)?

The seasons of Spring,Summer,Fall, Winter can only be explained by the daily and orbital motions of the Earth and Mid-Summer and Mid-Winter defined by the...