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Wispy, early-season clouds resembling Earth's ice-crystal cirrus clouds move across the Martian sky in some new image sequences from NASA's Curiosity Mars rover.

These clouds are the most clearly visible so far from Curiosity, which landed five years ago this month about five degrees south of Mars' equator. Clouds moving in the Martian sky have been observed previously by Curiosity and other missions on the surface of Mars, including NASA's Phoenix Mars Lander in the Martian arctic nine years ago.
By: spam_vigilante
Thursday, Aug 10th 2017 (3:36am)
As the Voyager mission is winding down, so, too, are the careers of the aging explorers who expanded our sense of home in the galaxy.

Some have been on the job for over forty years.
By: spam_vigilante
Wednesday, Aug 9th 2017 (12:00am)
A space rock now designated as asteroid 2017 OO1 was detected on July 23, 2017 from the ATLAS-MLO telescope at Mauna Loa, Hawaii. An analysis of its trajectory revealed it had been closest to Earth on July 20 sometime between 10:27 p.m. to 11:32 p.m. EDT (between 02:27 to 03:32 UTC on July 21). This means the asteroid's closest approach occurred 2.5 to 3 days before it was seen. Asteroid 2017 OO1 flyby had passed at about one-third the Earth-moon distance, or about 76,448 miles (123,031 km).
By: dave
Friday, Jul 28th 2017 (5:44am)
The most anticipated eclipse in American history is coming this summer. At the heart of it is Hopkinsville, Kentucky, which anticipates 100,000 visitors. Mental Floss takes a look behind the small town's preparations - and a deep dive into the passionate subculture of people who chase eclipses for a living.
By: dave
Tuesday, Jul 4th 2017 (12:00am) | Thanks: digg
"Opportunity" keeps chugging along. Almost a dozen years beyond its designed lifetime, a new mission continues along a crater's edge.
By: spam_vigilante
Monday, Jun 26th 2017 (3:36am)
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Wanna know why, and how much longer it'll go on? Here comes the science.
By: dave
Tuesday, Jun 20th 2017 (11:09am) | Thanks: digg
NASA's Kepler space telescope team has released a mission catalog of planet candidates that introduces 219 new candidates, 10 of which are near-Earth size and orbiting in their star's habitable zone, which is the range of distance from a star where liquid water could pool on the surface of a rocky planet.
By: spam_vigilante
Tuesday, Jun 20th 2017 (12:29am)
You're very concerned what the moon will look like at any given hour of any given day. Ponder no more, for here is your answer at a NASA website.
By: spam_vigilante
Sunday, Jun 18th 2017 (12:23am)
Art and science come together when Robert Hurt and Tim Pyle visualize scientific data into photorealistic works of art.
The human mind can get a very scientific explanation of what a discovery was but it takes a visual to get the point across. As they say, a picture is worth a thousand words.
By: spam_vigilante
Monday, Jun 12th 2017 (12:01am)
NASA’s Juno Spacecraft is investigating Jupiter in a series of 37 orbits, and though images, data, and samples, these remarkable flybys have revealed some very cool things: 900 mile wide cyclones at the planet’s poles, an interior core that “appears bigger than expected“, and a magnetic field that’s ten times stronger than Earth’s… that’s two times more powerful than predicted. Plus, there’s more data to come. From The New York Times:

Juno takes 53 days to loop around Jupiter in a highly elliptical orbit, but most of the data gathering occurs in two-hour bursts when it accelerates to 129,000 miles an hour and dives to within about 2,600 miles of the cloud tops. The spacecraft’s instruments peer far beneath, giving glimpses of the inside of the planet, the solar system’s largest.
By: spam_vigilante
Saturday, Jun 3rd 2017 (12:00am)
All of North America will be treated to an eclipse of the sun. Anyone within the path of totality can see one of nature’s most awe-inspiring sights - a total solar eclipse.
By: Sunny
Wednesday, May 24th 2017 (12:02am)
Dr. Tyson really inspires in this clip about what we are and where we came from.
By: spam_vigilante
Monday, May 22nd 2017 (12:00am)
Planets and moons. Epic.
By: spam_vigilante
Thursday, Apr 27th 2017 (12:00am)
Over the next few months, Cassini will dive into the space between Saturn and its rings, moving closer and closer to the planet until it eventually disintegrates in its atmosphere in September. Cassini is one of the most successful missions to the solar system. It delivered a probe to the surface of Titan, and discovered its lakes of liquid methane. It observed plumes of water vapor shooting out of Enceladus. And, of course, it captured stunning photos of Saturn and its rings. Its demise will elicit sadness among scientists, engineers, and space enthusiasts alike.
By: dave
Monday, Apr 10th 2017 (12:01am) | Thanks: mefi
Some 230 years ago, three curious London gentlemen walked into a room with a few eggs, a steak and a dog with exactly that question. NPR's Robert Krulwich and animator Lev Yilmaz recreated the science experiment (and added a bit of modern science knowledge!) in this animation.

Check out the rest of the story.
By: spam_vigilante
Monday, Mar 6th 2017 (12:00am) | Thanks: Jaxon
People have wondered for perhaps as long as life itself whether people's spirits can live on in the world once their body dies. But the TV professor says that they definitely don't, since CERN's Large Hadron Collider (LHC) would have stumbled across one.
By: dave
Monday, Feb 27th 2017 (12:00am)
On the face of things, a hot waffle iron wouldn't seem to have all that much in common with a block of ice. But the two objects share the same capacity to inflict pain. Extreme heat and extreme cold are both able to deliver a nasty blow to human skin, and it turns out that the brain monitors these thermal extremes in similar ways.
By: spam_vigilante
Thursday, Feb 23rd 2017 (8:52am) | Thanks: Cora
This is important. Track your favorite space junk.
All them there objects up there.
By: spam_vigilante
Monday, Feb 20th 2017 (12:02am)
... in stunning act of alchemy that could revolutionize technology and spaceflight

"It's the first-ever sample of metallic hydrogen on Earth, so when you're looking at it, you're looking at something that's never existed before"
By: spam_vigilante
Thursday, Jan 26th 2017 (8:15pm)
NASA Cassini is still taking photographs of Saturn, its rings, and moons. Recently, the agency released some images of Saturn's moon Daphnis, a popular one due to the waves it creates on the planet's ring.

Cassini just flew near Daphnis, also called the "wavemaker" moon. The close approach allowed scientists to further examine the moon with unprecedented detail.

The small Saturn satellite is only about five miles (8 kilometers) in diameter, according to a report. The moon orbits the sun in the gap called Keeler Gap inside Saturn's A ring.

In the embedded video, the moon's gravity causes some waves to appear on the edges of the ring. Cassini took the latest image last Jan. 16. This is monumental for NASA since it is the most detailed photograph of the moon yet.
By: spam_vigilante
Tuesday, Jan 24th 2017 (3:44pm)
In this ten minute clip, Dr. Tyson enumerates a list and then elaborates on each item in a very amusing manner.

Skip between 1:15 and about 2:00 when there are some audio problems and nothing of interest occurs.
By: spam_vigilante
Saturday, Jan 21st 2017 (12:00am)
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Have you heard of a Prince Rupert's Drop? No, it's not the latest dance craze, nor is it the next evolution of an infamous piercing.

Drop a blob of molten glass into a bucket of cold water and it forms into the shape of a tadpole as it cools. This formation is called a Prince Rupert's Drop or "Dutch tear."

If you hit a Prince Rupert's Drop as hard as you can, it will not break. In fact, even if the strongest man in the world had a good bash at it, this glass shape will remain intact. However, chip even the smallest part of the tail off and the whole thing will shatter into tiny pieces.

This is because the bucket of cold water cools the surface of the drop so quickly that the inside is still molten when the outside is solid. When the inside begins to cool, it pulls in and contracts the outside surrounding it, which strengthens the whole structure. Well, all except for the tail, which is too thin to have layers and becomes the structure's weakest point.

The sudden explosion of glass happens so quickly that the only way to capture it for human eyes to see is to play it in slow motion at 130,000 frames per second. That's exactly what this video below from the YouTube channel SmarterEveryDay shows.
By: spam_vigilante
Sunday, Jan 1st 2017 (12:00am)
Physicsfun is a nifty instagram account which demonstrates with video little doodads and whatsits that illustrate or utilize physics of an interesting nature. As a bonus, they also run a side blog that offers purchase links for most of the gizmos featured. Free up some time on your calendar today, you'll need it.
By: dave
Monday, Nov 21st 2016 (12:02am)
As a wise man by the name of Hauser said once, get your ass to Mars.
By: dave
Monday, Nov 14th 2016 (12:00am)
Novae is a movie about an astronomical event that occurs during the last evolutionary stages of a massive star's life, whose dramatic and catastrophic death is marked by one final titanic explosion called supernova.
By only using an aquarium, ink and water, this film is also an attempt to represent the giant with the small without any computed generated imagery.
As a tribute to Kubrick or Nolan's filmography, Novae is a cosmic poem that want to introduce the viewer to the nebulae's infinite beauty.
By: spam_vigilante
Saturday, Nov 12th 2016 (12:02am)
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