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Thursday, May 26, 2016

PLUTO PLANET - Take A Virtual Reality Tour Of Pluto

With a new app provided by the NY Times, viewers can explore distant Pluto using only a smartphone or a virtual reality viewer. Credit: New York Times

On July 14th, 2015, the New Horizons probe made history as it passed within 12,500 km (7,800 mi) of Pluto, thus making it the first spacecraft to explore the dwarf planet up close. And since this historic flyby, scientists and the astronomy enthusiasts here at Earth have been treated to an unending stream of breathtaking images and scientific discoveries about this distant world.

And thanks to the New York Times and the Universities Space Research Association's Lunar and Planetary Institute in Texas, it is now possible to take a virtual reality tour of Pluto. Using the data obtained by the New Horizon's instruments, users will be able to experience what it is like to explore the planet using their smartphone or computer, or in 3D using a VR headset.

The seven-minute film, titled "Seeking Pluto's Frigid Heart", which is narrated by science writer Dennis Overbye of the New York Times - shows viewers what it was like to approach the dwarf planet from the point of the view of the New Horizon's probe. Upon arrival, they are then able to explore Pluto's surface, taking in 360 degree views of its icy mountains, heart-shaped plains, and largest moon, Charon.

https://youtu.be/jIxQXGTl_mo

This represents the most detailed and clear look at Pluto to date. A few decades ago, the few maps of Pluto we had were the result of close observations that measured changes in the planet's total average brightness as it was eclipsed by its largest moon, Charon. Computer processing yielded brightness maps, which were very basic by modern standards.

In the early 2000s, images taken by the Hubble Space Telescope were processed in order to create a more comprehensive view. Though the images were rather undetailed, they offered a much higher resolution view than the previous maps, allowing certain features - like Pluto's large bright spots and the dwarf planet's polar regions - to be resolved for the first time.

However, with the arrival of the New Horizons mission, human beings have been finally treated to a close-up view of Pluto and its surface. This included Pluto's now-famous heart-shaped plains, which were captured by the probe's Long Range Reconnaissance Imager (LORRI) while it was still several days away from making its closest approach.

This was then followed-up by very clear images of its surface features and atmosphere, which revealed floating ice hills, mountains and icy flow plains, and surface clouds composed of methane and tholins. From all of these images, we now know what the surface of this distant world looks like with precision. All of this has allowed scientists here at Earth to reconstruct, in stunning detail, what it would be like to travel to Pluto and stand on its surface.

Amazingly, only half of New Horizon's images and measurements have been processed so far. And with fresh data expected to arrive until this coming October, we can expect that scientists will be working hard for many years to analyze it all. One can only imagine what else they will learn about this mysterious world. And one can only hope that any news findings will be uploaded to the app (and those like it)!

The VR app can be downloaded at the New York Times VR website, and is available for both Android and Apple devices. It can also be viewed using headset's like Google Cardboard, a smartphone, and a modified version exists for computer browsers.

The post Take A Virtual Reality Tour Of Pluto appeared first on Universe Today.

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NASA Photos Photography

The National Aeronautics and Space Administration (NASA) is the United States government agency responsible for the civilian space program as well as aeronautics and aerospace research. President Dwight D. Eisenhower established the National Aeronautics and Space Administration (NASA) in 1958 with a distinctly civilian (rather than military) orientation encouraging peaceful applications in space science. The National Aeronautics and Space Act was passed on July 29, 1958, disestablishing NASA's predecessor, the National Advisory Committee for Aeronautics (NACA). The new agency became operational on October 1, 1958.

UFO SIGHTINGS PHOTO PHOTOGRAPHY

The Oxford English Dictionary defines a UFO as "An unidentified flying object; a 'flying saucer'." The first published book to use the word was authored by Donald E. Keyhoe. The acronym "UFO" was coined by Captain Edward J. Ruppelt, who headed Project Blue Book, then the USAF's official investigation of UFOs. He wrote, "Obviously the term 'flying saucer' is misleading when applied to objects of every conceivable shape and performance. For this reason the military prefers the more general, if less colorful, name: unidentified flying objects. UFO (pronounced Yoo-foe) for short." Other phrases that were used officially and that predate the UFO acronym include "flying flapjack", "flying disc", "unexplained flying discs", "unidentifiable object", and "flying saucer". The phrase "flying saucer" had gained widespread attention after the summer of 1947. On June 24, a civilian pilot named Kenneth Arnold reported seeing nine objects flying in formation near Mount Rainier. Arnold timed the sighting and estimated the speed of discs to be over 1,200 mph (1,931 km/h). At the time, he described the objects' shape as being somewhat disc-like or saucer-like, leading to newspaper accounts of "flying saucers" and "flying discs". In popular usage the term UFO came to be used to refer to claims of alien spacecraft. and because of the public and media ridicule associated with the topic, some investigators prefer to use such terms as unidentified aerial phenomenon (or UAP) or anomalous phenomena, as in the title of the National Aviation Reporting Center on Anomalous Phenomena (NARCAP).

UFO PHOTO PHOTOGRAPHY

UFO - Unidentified Flying Object An unidentified flying object, or UFO, in its most general definition, is any apparent anomaly in the sky that is not identifiable as a known object or phenomenon. Culturally, UFOs are associated with claims of visitation by extraterrestrial life or government-related conspiracy theories, and have become popular subjects in fiction. While UFOs are often later identified, sometimes identification may not be possible owing to the usually low quality of evidence related to UFO sightings (generally anecdotal evidence and eyewitness accounts). Stories of fantastical celestial apparitions have been told since antiquity, but the term "UFO" (or "UFOB") was officially created in 1953 by the United States Air Force (USAF) to serve as a catch-all for all such reports. In its initial definition, the USAF stated that a "UFOB" was "any airborne object which by performance, aerodynamic characteristics, or unusual features, does not conform to any presently known aircraft or missile type, or which cannot be positively identified as a familiar object." Accordingly, the term was initially restricted to that fraction of cases which remained unidentified after investigation, as the USAF was interested in potential national security reasons and/or "technical aspects" (see Air Force Regulation 200-2). During the late 1940s and through the 1950s, UFOs were often referred to popularly as "flying saucers" or "flying discs". The term UFO became more widespread during the 1950s, at first in technical literature, but later in popular use. UFOs garnered considerable interest during the Cold War, an era associated with a heightened concern for national security. Various studies have concluded that the phenomenon does not represent a threat to national security nor does it contain anything worthy of scientific pursuit (e.g., 1951 Flying Saucer Working Party, 1953 CIA Robertson Panel, USAF Project Blue Book, Condon Committee).