Tag Archives: nasa

NASA releases the sharpest ever images of Pluto’s jagged surface

Agen Sabung Ayam

Posted December eleven, 2015 sixteen:twenty:06

Close up look at Pluto Photograph: A near up look at Pluto’s surface area taken from the New Horizons spacecraft display an in depth look at the makeup of the world from craters to jagged mountains. (Provided: NASA)

NASA has introduced some of the sharpest photographs ever captured of Pluto, giving new perception into the dwarf earth.

The space company states the photos could nicely be the most distinct images people will ever see of Pluto.

The photographs taken with a telescopic camera, ended up introduced to the general public this week, after the photographs have been captured from the NASA’s New Horizon’s spacecraft during its July fourteen flyover.

The improved-colour mosaic pictures were stitched jointly out of black-and-white, high-resolution images.

Experts then additional “decrease resolution color data” to colourise a single of the pictures.

Pluto facts

  • The very first world discovered by American Lowell Observatory astronomer Clyde Tombaugh in 1930
  • The only planet in the photo voltaic method by no means visited by a spacecraft
  • Pluto has a few identified moons
  • Orbits the solar as soon as each 248 Earth years
  • 40 times further away from the sun than Earth

The resolutions of seventy seven to 85 metres for every pixel reveal features smaller than 50 percent a metropolis block on Pluto’s surface area, as the spacecraft hovered inside ten,000 kilometres of the earth using the collection of photos.

Close up sights of the world demonstrate the geology of the surface area from ice blocks, craters and jagged horizons.

The pictures get rid of new light on the mysterious “pits of Pluto”— indentations which could have formed by means of a mixture of ice fracturing and evaporation.

“These close-up pictures, exhibiting the variety of terrain on Pluto, demonstrate the energy of our robotic planetary explorers to return intriguing info to experts back below on planet Earth,” NASA science missions directorate associate administrator and former astronaut John Grunsfeld explained.

“New Horizons thrilled us in the course of the July fly-by with the 1st shut photos of Pluto, and as the spacecraft transmits the treasure trove of pictures in its on-board memory back to us, we carry on to be astonished by what we see.”

The images present an 80-kilometre-wide strip on Pluto positioned about 800 kilometres from the “badlands” north-west of the icy plain recognized as Sputnik Planum and the bordering al-Idrisi mountains.

“A near-up look at these worlds from a spacecraft promises to notify an extraordinary tale about the origins and outskirts of our photo voltaic system,” NASA stated on its internet site.

“New Horizons is checking out — for the very first time — how ice dwarf planets like Pluto and Kuiper Belt bodies have developed in excess of time.”

Pluto high resolution images Photograph: A telescopic digital camera has authorized New Horizons spacecraft to zoom in on Pluto from 10,000 kilometres and ship back photographs of the geology of the world. (Provided: NASA)

A mission ten several years in the generating

The New Horizons spacecraft introduced on January 19, 2006 and has been on a 5-billion-kilometre journey.

The spacecraft has carried out several projects whilst in space, such as gravity boost and scientific scientific studies in 2007 near Jupiter and a six-month reconnaissance flyby study of Pluto and its moons ongoing since mid-2015.

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As part of an extended mission, pending NASA acceptance, the spacecraft is envisioned to head further into the Kuiper Belt to look at yet another of the ancient, icy mini-worlds in that huge location, at least a billion miles beyond Neptune’s orbit, NASA said in a assertion.

The Nationwide Academy of Sciences has ranked the exploration of the Kuiper Belt, including Pluto, of the maximum precedence for solar method exploration.

Thorough photos need to keep on to emerge as it will get New Horizons about a 12 months to beam back all of the photos and knowledge it collected throughout its close flyby of Pluto.

Subject areas: room-exploration, planets-and-asteroids, united-states


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Saturn’s largest moon glows green in new image released by NASA

Agen Sabung Ayam

Updated December 10, 2015 01:03:51

Saturn's moon Titan. Photo: The new image was created by combining multiple near-infrared images taken during a high-altitude flyby on November 13. (Supplied: NASA)

NASA has released a composite image of Saturn’s largest moon, Titan, constructed from photos taken by the Cassini spacecraft, that shows the moon’s surface instead of its hazy atmosphere.

NASA’s website explains the image shows terrain mostly on the Saturn-facing hemisphere of Titan, including the dark, dune-filled regions of Fensal to the north and Aztlan to the south, which together form the shape of a sideways letter H.

Titan is tidal locked, meaning the same side always faces towards Saturn, just as the Moon is tidal locked to Earth.

Cassini flew as close as 10,000 kilometres to the “rich and complex” world of Titan during the November 13 flyby, which was considerably higher than typical flybys at 1,200 kilometres but allowed the spacecraft to capture moderate-resolution views over wide areas, with a resolution of a few kilometres per pixel.

The image, which shows different levels of detail due to the different altitudes the individual pictures were taken from, was taken at near-infrared wavelengths that penetrated the thick orange haze of Titan’s atmosphere.

The colours in the image are false and represent the wavelengths of light collected by Cassini’s visual and infrared mapping spectrometer (VIMS) instrument, from blue at 1.3 microns, through green at 2.0 microns, to red at 5.0 microns.

Visible light is centred around 0.5 microns.

‘Remarkably Earth-like processes’

NASA says images taken by the Cassini orbiter show ‘remarkably Earth-like processes’ shaping the surface of Titan.

The moon is covered with tall dunes, river channels and great lakes, and is the only moon in our solar system to have a thick atmosphere.

There are relatively few meteorite craters on Titan, meaning that its surface must be relatively young, being reshaped by wind, liquid and tectonic movement similar to processes on Earth.

However, because the surface of Titan is at -179 degrees Celsius, the sand is composed of dark hydrocarbon grains, solid surfaces are water ice as hard as rock, and the liquid present on Titan’s surface, in its atmosphere and falling as rain, is methane, which is gaseous on Earth.

Although the atmosphere of Titan is mostly nitrogen (about 95 per cent), most of the remainder is methane, not oxygen.

Methane, a compound of carbon and hydrogen, is broken down by cosmic radiation in Titan’s upper atmosphere, contributing to the orange haze that obscures the surface from visible light.

The carbon, hydrogen and nitrogen in Titan’s atmosphere result in a range of organic molecules, making it similar to Earth’s early atmosphere before life developed.

The Cassini mission is a cooperative project between NASA, the European Space Agency (ESA) and the Italian Space Agency, and is managed through NASA’s Jet Propulsion Laboratory (JPL), which designed, developed and assembled the Cassini orbiter and its two onboard cameras.

Topics: space-exploration, spacecraft, united-states

First posted December 10, 2015 00:43:39


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New Pluto close-ups to help NASA piece together planet’s history

Agen Sabung Ayam

Up-to-date December 05, 2015 fifteen:53:11

External Website link: New Horizons’ Ideal See of Pluto’s Craters, Mountains and Icy Plains

NASA’s New Horizons spacecraft has sent again what the room company has described as the very best close-ups of the earth that humans may see for many years.

Taken from a variety of just seventeen,000 kilometres, the new images have been snapped during the spacecraft’s closest technique to Pluto, from its flyby of the dwarf world in July this calendar year.

They document an 80-kilometre strip of the planet’s surface area, providing an personal perspective of its cratered, mountainous and glacial terrains.

“New Horizons thrilled us throughout the July flyby with the 1st near photos of Pluto, and as the spacecraft transmits the treasure trove of photos in its onboard memory again to us, we continue to be shocked by what we see,” explained John Grunsfeld, previous astronaut and affiliate administrator for NASA’s Science Mission Directorate.

The images scan from Pluto’s jagged horizon about 800 kilometres north-west of the informally named Sputnik Planum, across the al-Idrisi mountains, over the shoreline of Sputnik, and across its icy plains.

A single picture of the al-Idrisi mountains, display the planet’s water-ice crust.

Pluto's water-ice crust Photo: A image displaying fantastic blocks of Pluto’s drinking water-ice crust that look jammed collectively in the informally named al-Idrisi mountains. (Provided: NASA)

“The new particulars exposed here, notably the crumpled ridges in the rubbly content bordering many of the mountains, reinforce our before impact that the mountains are huge ice blocks that have been jostled and tumbled and someway transported to their existing spots,” stated John Spencer, a New Horizons science group member.

One more reveals added details of Pluto’s rugged, icy cratered plains, like layering in the interior walls of a lot of craters.

Pluto craters Image: A picture revealing new details of Pluto’s rugged, icy cratered plains, including layering in the inside partitions of several craters. (Equipped: NASA)

“Affect craters are nature’s drill rigs, and the new, maximum-resolution images of the larger craters seem to be to demonstrate that Pluto’s icy crust, at the very least in spots, is distinctly layered,” stated William McKinnon, deputy direct of the New Horizons Geology, Geophysics and Imaging team.

“Hunting into Pluto’s depths is hunting back into geologic time, which will assist us piece jointly Pluto’s geological background.”

In accordance to New Horizons principal investigator Alan Stern, the pictures arrived a lot quicker than in previous flyby missions.

“Nothing of this high quality was available for Venus or Mars until finally decades right after their initial flybys, yet at Pluto we’re there presently — down among the craters, mountains and ice fields — considerably less than 5 months soon after flyby,” he mentioned.

“The science we can do with these photographs is basically unbelievable.”

Mission researchers expect yet another set of photographs from New Horizons in coming times.

Pluto badlands Photograph: A picture showing how erosion and faulting have sculpted this part of Pluto’s icy crust into rugged badlands topography. (Equipped: NASA)

Subjects: science-and-engineering, astronomy-place, place-exploration, spacecraft, planets-and-asteroids, united-states

1st posted December 05, 2015 fifteen:forty one:05


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NASA to broadcast astronauts’ return to Earth

Agen Sabung Ayam

Posted December 05, 2015 fifteen:34:01

NASA will televise the instant 3 astronauts return to Earth from the Global Area Station.

The group from Expedition forty five are expected to get there on Friday December 11 following 141 days in area.

Flight engineers Kjell Lindgren from NASA, Oleg Kononenko from the Russian Federal Place Company (Roscosmos) and Kimiya Yui from the Japan Aerospace Exploration Company will undock their Soyuz TMA-17M spacecraft from the space station at four:49am (US time).

The astronauts’ return will be streamed throughout the day, and into the night, culminating to video of the landing and post-landing interviews.

Dubbed “the one calendar year mission”, the astronauts ended up sent to the station to assist research how to progress NASA’s journey to Mars.

The three joined Expedition forty four crew users to bring the Intercontinental Place Station whole to six.

Expedition 45 NASA crew on International Space Station Image: NASA astronauts Scott Kelly and Kjell Lindgren put in seven hours and forty eight minutes operating exterior the Worldwide Space Station on the 190th area wander in assist of station assembly and maintenance on November 6, 2015. The astronauts restored the port truss (P6) ammonia cooling system to its unique configuration, the major process for the spacewalk. (Equipped: NASA)

The Intercontinental Place Station is a microgravity laboratory in which an international crew of six men and women dwell and function while orbiting the Earth every 90 minutes.

The station allows professionals to test new systems and research, not in a position to be tested on Earth.

The space station has been repeatedly occupied given that November 2000. In that time, much more than 200 individuals from fifteen nations around the world have frequented.

NASA astronaut prepares for spacewalk Photo: NASA Expedition forty five Commander Scott Kelly attempts on his spacesuit for a suit check prior to a area wander. (Supplied: NASA)

At the time of undocking on December 11, Expedition 46 will commence aboard the station underneath the continued command of astronaut Scott Kelly.

Kelly and Russian cosmonaut Mikhail Kornienko are spending a single calendar year in space — two times the common mission length — to supply scientists the opportunity to advance their information of the health-related, psychological and biomedical issues faced by astronauts during extended-period spaceflight.

Alongside with his crewmate Sergey Volkov of Roscosmos, the three-individual crew will function the station for 4 times till the arrival of three new crew associates in mid-December.

Morning views from space Photograph: NASA astronaut Scott Kelly captures a shot of the “everyday morning dose of aurora” from the Intercontinental Room Station. (Equipped: NASA)

Subjects: space-exploration, spacecraft, united-states


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NASA unveils shiny new coat for its Orion spacecraft Agen Sabung Ayam

Agen Sabung Ayam

Orion has a shiny new look. (credit score: NASA)

NASA on Thursday night released conceptual photographs of its Orion spacecraft that includes a new, metallic-dependent coating that will defend the motor vehicle each in orbit and in the course of its fiery return to Earth.

Engineers at Johnson Room Center have made the decision to include a silver coating to the back again shell panels of the spacecraft, which will help Orion regulate its temperature. When in room, as Orion faces away from the Sunshine, the new insulating coating will aid hold the automobile warm. And when the spacecraft is in direct daylight the coating will keep the inside of the spacecraft cooler.

NASA claims the coating will aid Orion’s back again shell keep a temperature on the exterior of the spacecraft from -100°C to  to 290°C even though in place. It will also assist shield Orion from electrical charges throughout the nearly forty,000 kph return velocities from the vicinity of the Moon.

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Ars Technica

NASA Membuktikan Kehidupan di Mars

bukti-kehidupan-di-mars

Ilmuwan Tubuh Antariksa Amerika Serikat (NASA) meraih bukti kuat adanya aliran air di permukaan Planet Mars. Bukti ini diklaim sudah menjawab teka-teki yg sewaktu ini jadi pertanyaan tidak sedikit orang. Continue reading