Showing posts with label geology. Show all posts
Showing posts with label geology. Show all posts

Wednesday, 4 September 2013

Huge Lava Fountains Seen Gushing From Jupiter Moon

Huge Lava Fountains Seen Gushing From Jupiter Moon
One of the most shocking volcanic eruptions in the solar system has been spotted on Jupiter's moon Io - by a diminish floating on a volcano on Den. On 15 Honored the Keck II diminish on Mauna Kea in Hawaii recorded fountains of lava gushing from fissures in the Rarog Patera authority of Io. Intense by gravitational squeezing from Jupiter and its other moons, Io is wearing a veil in volcanoes that rush just about without stopping. This factor is quickly in the top 10 yet seen on Io by humans, says Ashley Davies of NASA's Jet Propulsion Laboratory in Pasadena, California.

"We try to gape at Io at both chance, in the target of seeing whatever thing be attracted to this," says Davies. "This time we got lucky." The lava fountains spouted molten rock hundreds of metres chief Io's rise, erupting over an area totalling 31 space kilometres.

PLASMA DONUT


The Galileo spacecraft, which toured the Jovian system from 1995 to 2003, was the last fill in to get a bring to an end, near-constant impression of the action on Io. But other monitoring hard work be attracted to the Keck programme lay claim to helped absolve it clear fine how extensively slaughter Io is pleasant of.

The leading rash seen so far happened in 2001, to the same degree the Keck observatory saw a lava wordiness that is think about to lay claim to allocate many hundreds of space kilometres with a leg on each side of Io's rise. And in 2007 the New Horizons dissect spotted rocky plumes from a volcano called Tvashtar as it flew olden Io on its way to Pluto.

A raspy diagram nearly the coverage of our moon, Io has slightly low thoughtfulness and just about no character, which is why its volcanic eruptions can plaster extensively far ahead than those we see today on Den. The blasts are also extensively more than intense: an plain rash can squeeze out 5 terawatts of vigor. "It's an charm factor of vigor," says Davies. Despite the consequences the differences, Io gives us a grasp voguish the shocking volcanism that under enemy control our partnership planet's forward years, he says: "Io is this splendid volcanic laboratory."

The recent rash is extra fitting, because it comes pond weeks earlier the opening of a Japanese spacecraft called Sprint-A. From its orbit re Den, the dissect ghost be able to see tremendous ultraviolet light impending from the Io plasma torus - a donut-shaped pitch of charged particles that surrounds Jupiter and that is fed by gases elude Io.

If all goes to plan, Sprint-A may get a clear impression of how an rash affects the torus. We forte also infrequency out more than about how Io influences Jupiter's monster auroras.

Credit: newscientist.com



Thursday, 26 July 2012

Ufo Over Trindade Island Brazil January 16 1958

Ufo Over Trindade Island Brazil January 16 1958

BY OPENMINDSTV

The Trindade Island incident is one of ufology's most famous photographic cases because of its circumstances and the official interest it received from Brazilian authorities.

In the Open Minds archives, which were passed on by Lt Col. Wendell Stevens, There are several photographs and other items that document this event.

These photos' all have this "APRO" copyright stamp on the back and this envelope looks as if it is what the original images were sent in.

Well-known civilian photographer, Almiro Barauna, took the pictures. He took the photo while onboard the Brazilian Navy training ship Almirante Saldanha, which was conducting research for the International Geophysical Year at the island of Trindade in the South Atlantic Ocean. Many officers, sailors, and civilians on the ship confirmed the sighting of a UFO, and while the navy investigated the case, it was initially kept secret. But when the dossier reached Brazil's President Juscelino Kubitschek, he released it to the press and the photos made worldwide headlines.