A Falling Stream Of Water Will Break Into Droplets Due To The Plateau-Rayleigh Instability. Small Disturbances

Happy Martian New Year!

For any planet, a year is the time it takes to make one orbit around the sun. Because Mars is farther away from the sun, it has to travel a greater distance than Earth. It takes Mars about twice as long as it does for Earth to make one circle around the sun…therefore, a year on Mars lasts twice as long.

On May 5, Mars passes solar longitude 0 as the sun crosses the equator on Mars. This is the vernal equinox and was chosen by planetary scientists as the start of a new year.

Mars has four seasons, roughly twice as long as those on Earth, but with more variation given Mars’ eccentric orbit and the fact its orbital speed varies more as a result.

Did you know that there’s a U.S. city named Mars? Mars, PA hosts an annual Mars New Year celebration and we’re participating in this two-day science, technology, engineering and math (STEM) event to inspire young people to pursue innovation and exploration.

More info on Mars, PA: http://www.marsnewyear.com/

Get updated images from the events in Mars, PA here: https://www.flickr.com/photos/nasahqphoto/sets/72157683457751005/

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com

“Someone will remember us, I say, even in another time” - Sappho          

Requested by anonymous.  

Star Wars IV: A new hope - Binary Sunset (Force Theme)

Fluid dynamical behaviors are often the result of competing forces. Here paint flung from a spinning rod illustrates the effects of adhesion, surface tension, and centrifugal force. In general, surface tension tries to hold a fluid together, and adhesion allows it to stay attached to a surface. Centrifugal force, on the other hand, tends to push the fluid outward. As the spinning rod accelerates, centrifugal force wins over adhesion and the paint spirals outward. For awhile, surface tension manages to hold the paint together, stretching it into spiraling ligaments of fluid. But when centrifugal force overpowers surface tension as well, the ligaments of paint snap into smaller droplets, still flying outward. Check out the full video for more great slow motion shots, and be sure to look at photographer Fabian Oefner’s “Black Hole“ series, which inspired the video. (Image credit: BBC Earth Unplugged, source video)

Star Trek Into Darkness Gag Reel

what Old Married Spirk really is

Spock and Jim growing old together. Spock getting more lines in his face, Jim getting a tummy. graying hair, walking more slowly, taking more time to have sex, Spock getting cold more easily, Jim forgetting where he set his house keys. numerous kisses with familiar lips, celebrating anniversaries quietly, hands aging, muscles fading, planting gardens and stargazing together, attending the funerals of enemies and friends, becoming distant to the action of the world, spooning in bed for hours, new and different forms of sadness, new and different forms of happiness, same smiles, same hearts, same minds. 

Hear what Aeolus sounds like! This recording was made on a breezy afternoon at the Eden Project!

The Right Stuff Ending (1983)