NASA to work with China for new inventions on the Moon


खास बातें

  1. चीन के साथ मिलकर काम करेगा नासा
  2. चंद्रमा पर नई खोज के लिए मिलकर करेगा काम
  3. चीन का यान इसी महीने चंद्रमा की सतह पर उतरा है

वॉशिंगटन:

चंद्रमा पर नयी खोज के लिए नासा चीन की अंतरिक्ष एजेंसी के साथ मिलकर काम करने की तैयारी में है. अभियान से चंद्रमा पर इंसानों की बस्ती बसाने तथा बाह्य अंतरिक्ष के सुदूर के क्षेत्रों के अन्वेषण के लिये भविष्य के मिशन की तैयारी के प्रयासों को और गति मिलेगी. अमेरिकी अंतरिक्ष एजेंसी ने पिछले महीने चीनी राष्ट्रीय अंतरिक्ष प्रशासन (सीएनएसए) से यान चांग-4 से भेजे जाने वाले डाटा को खंगालने की संभावना पर चर्चा की. चीन का यह यान इसी महीने चंद्रमा की सतह पर उतरा है. अमेरिकी अंतरिक्ष एजेंसी ने कहा है कि नासा चंद्रमा पर वापसी के लिए अपनी योजना पर कार्य कर रहा है. इस मकसद से व्यावसायिक और अंतरराष्ट्रीय भागीदारों के साथ तालमेल करना महत्वपूर्ण होगा. 

NASA 2019 Calender: कलैंडर में छाए भारतीय बच्चे, अंतरिक्ष में सब्जी उगाने का दिया IDEA

एजेंसी के मुताबिक, यह दृष्टिकोण सौर तंत्र के बाहर इंसानी गतिविधियों को विस्तार देने में मदद करेगा. धरती के लिए नयी जानकारी के साथ ही यह नये अवसर का भी मौका होगा. नासा अगले साल चंद्र अभियान के लिए एक रोबोटिक मिशन को अंजाम देगा. इसमें चंद्रमा पर संसाधनों के बारे में अध्ययन और इंसानों की लगातार मौजूदगी के लिए सतह को तैयार करने के साथ ही वहां पर उपलब्ध ऑक्सीजन और भविष्य के यानों के लिए हाइड्रोजन का इस्तेमाल करना शामिल है. 

टिप्पणियां

नासा के इनसाइट लैंडर ने कर दिया कमाल, मंगल ग्रह पर पहली बार किया यह काम

नासा का कहना है कि चंद्रमा की सतह महत्वपूर्ण पड़ाव तथा प्रौद्योगिकी के परीक्षण के लिए अहम स्थान का भी काम कर सकती है, जहां से भविष्य में मंगल और बाह्य अंतरिक्ष के सुदूर क्षेत्रों में इंसानों को भेजने की तैयारी की जाएगी. अंतरिक्ष एजेंसी ने कहा है कि प्रशासन और अमेरिकी कांग्रेस (संसद) के मार्गदर्शन के तहत नासा का चीन के साथ सहयोग पारदर्शी, पारस्परिक और आपसी फायदे का है.

 



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NASA Telescopes Capture Birth of Black Hole or Neutron Star


An international team of astronomers, using NASA telescopes, have captured the first ever image of a star that collapsed to form a compact object, and are debating whether it is a black hole or a neutron star.

NASA’s Asteroid Terrestrial-impact Last Alert System telescope in Hawaii picked up a brief and unusual burst in the night sky on June 16, 2018, the US space agency said in a statement

The celestial outburst -called AT2018cow and nicknamed “the Cow” – occurred inside or near a star-forming galaxy known as CGCG 137-068, located about 200 million light-years away in the constellation Hercules. 

For over three days, the Cow produced a sudden explosion of light at least 10 times brighter than a typical supernova, and then it faded over the next few months, NASA said. 

The stellar debris, approaching and swirling around the object’s event horizon, caused the remarkably bright glow.

Using data from multiple NASA missions, including the Neil Gehrels Swift Observatory and the Nuclear Spectroscopic Telescope Array (NuSTAR), a team of scientists speculate that the Cow is a monster black hole shredding a passing star. 

In a paper forthcoming in the journal Monthly Notices of the Royal Astronomical Society, they say that the shredded star was a white dwarf – a hot, roughly Earth-sized stellar remnant marking the final state of stars like our Sun. 

“The Cow produced a large cloud of debris in a very short time,” said Paul Kuin, an astrophysicist at University College London (UCL). 

“Shredding a bigger star to produce a cloud like this would take a bigger black hole, result in a slower brightness increase and take longer for the debris to be consumed.” 

Another team of scientists, analysing data from multiple observatories, including NASA’s NuSTAR, ESA’s (the European Space Agency’s) XMM-Newton and INTEGRAL satellites, and the National Science Foundation’s Very Large Array, claimed that it is a supernova — a stellar explosion — could be the source of the Cow. 

“We saw features in the Cow that we have never seen before in a transient, or rapidly changing object,” said Raffaella Margutti, an astrophysicist at Northwestern University in Evanston, Illinois.

In the study, forthcoming in The Astrophysical Journal, they propose that the bright optical and ultraviolet flash from the Cow signalled a supernova and that the X-ray emissions that followed shortly after the outburst arose from gas radiating energy as it fell onto a compact object.



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In Christmas Killjoy Reveal, NASA Engineer Partly Staged Popular Prank


Rober, former Nasa engineer runs a popular YouTube channel documenting his quirky science experiments

In a Christmas-joy-killing admission, the NASA engineer who constructed a glitter shooting, fart-smell-spraying device to get back at porch pirates told the world his video of package thieves getting their smelly, sparkly just deserts was at least partially staged.

Mark Rober, in a statement on Twitter Thursday, said he’d removed more than a minute of footage from his widely-seen video after, “I was presented with information that caused me to doubt the veracity of 2 of the 5 reactions in the video.”

Rober said he had “put out a feeler” for someone willing to put the package on their porch, offering to pay them to set the bait and retrieve the ultimately-discarded package. But the “thieves” that stole the package from that person were “actually acquaintances of the person helping me.”

Rober, who could not immediately be reached for comment on Saturday morning, claimed that the recorded reactions when packages were taken from his own house were legitimate, but that he could understand if people have doubts about the entire video.

“My credibility is sort of shot,” he said in the tweet.

The video in question, Rober said, had been inspired by a pair of package thieves who’d made off with a delivery from his California porch one day in broad daylight, about seven months ago.

Indignant, Rober – a former NASA engineer who runs a popular YouTube channel documenting his many quirky science experiments – started thinking about how he could apprehend the porch pirates. Though he had caught the thieves on his security cameras, Rober said police had told him it was not worth their time to look into.

“So you also feel powerless. And I just felt like something needs to be done to take a stand against dishonest punks like this,” Rober said in a YouTube video posted Monday. “And then I was like, hold up.”

Rober explained he had spent nine years working for NASA, including designing hardware for the Mars Curiosity rover that is, well, currently roving Mars.

“If anyone was going to make a revenge bait package and over-engineer the crap out of it, it was going to be me,” Rober concluded.

Rober decided he would create a booby trap inspired by his “childhood hero and inspiration” Kevin McAllister, the young and resourceful protagonist (played by Macaulay Culkin) in the Home Alone films of the 1990s.

With the help of friends, Rober mocked up a design for his ideal trap: It would be disguised as a package – specifically, a cellophane-wrapped Apple HomePod box he knew would be “enticing” for any porch pirate. It would be GPS-enabled, so he could track its journey once it left his home perimeter. It would record video with embedded cellphones, no matter how the thief picked up the parcel.

And, once triggered, it would be glittery. So glittery.

“Ultimately, when they opened the package, I wanted to celebrate their choice of profession with a cloud of glitter,” Rober said.

One pound of glitter, that is. To add insult to injury, Rober also built in a can of “fart spray,” programmed to automatically spray after the glitter explosion was triggered.

“No joke, you can clear a room with one spray of this stuff,” Rober said.

For the specifics of how Rober engineered his smelly “glitter bomb,” we turn to the YouTube video he created documenting the project:

The whole package took about six months to engineer and then “test” in the field.

There are a few delightful Easter eggs. If anyone had looked carefully, he or she would have noticed the mocked-up UPS delivery label addressed to “Harry and Marv,” a nod to the up-to-no-good pair in “Home Alone.”

As it turns out, none of the thieves paid such close attention before snatching the box.

On Monday, Rober uploaded his video documenting the project, “Glitter Bomb vs. Package Thief,” to his YouTube page. As of Saturday morning, the video had more than 45 million views.

“It’s like lighthearted engineering fun,” Rober told The Washington Post in a phone interview Tuesday. “[With all my videos], I try to get people stoked about science and engineering. But this clearly struck some kind of nerve.”

But in the past, he has disputed online criticism that he hired actors, insisting that all of the recorded footage was of actual package thieves.

“I challenge anyone who thinks packages don’t get stolen to put a cellophane-wrapped HomePod box on their porch and leave it there day after day and see just how honest people are,” Rober told The Post.

The porch pirate epidemic is real. A study by InsuranceQuotes estimated about 26 million Americans have had a holiday package stolen. With the rise in pilfered packages has come an increase in “doorstep vigilantes,” as The Post’s Petula Dvorak reported:

There’s even a guy in Tacoma, Wash., who is marketing a device that sets off a 12-gauge blank the moment a pirate lifts the bait package.

One District of Columbia. woman fed up with having nearly $1,000 worth of packages stolen from her Capitol Hill porch left a pretty awesome present for her pirates – a box heavy with her two dogs’ poop.

“It didn’t stop them, though,” reports Andrea Hutzler. 

(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)





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NASA Insight Lander planted the first device on the surface of Mars


खास बातें

  1. इनसाइट लैंडर ने मंगल की सतह पर पहला उपकरण लगाया
  2. नासा ने कहा- मंगल पर सिस्मोमीटर लगाना क्रिसमस का शानदार उपहार
  3. दो वैज्ञानिक उपकरणों को तैनात करने की दिशा में काम जारी

वाशिंगटन:

नासा द्वारा प्रक्षेपित इनसाइट लैंडर ने मंगल की सतह पर अपना पहला उपकरण स्थापित कर दिया है, जो इस प्रमुख मिशन के लिए मील का पत्थर माना जा रहा है. यह वैज्ञानिकों को सतह की प्रवृत्ति का अध्ययन करके मंगल ग्रह के अंदरूनी भाग को समझने में मदद करेगा.

नासा ने एक बयान में कहा कि लैंडर ने जो तस्वीरें भेजी हैं उनमें सतह पर रखा भूकंपमापी यंत्र दिख रहा है. नासा की जेट प्रोपल्शन लैबोरेटरी (जेपीएल) में कार्यरत इनसाइट प्रोजेक्ट मैनेजर टॉम हॉफमैन ने कहा, ‘‘मंगल ग्रह पर इनसाइट की गतिविधियों की समय सारिणी हमारी अपेक्षा से भी कहीं बेहतर हो गई है.” हॉफमैन ने कहा, ‘‘मंगल की जमीन पर सुरक्षित रूप से सिस्मोमीटर लगाना क्रिसमस का एक शानदार उपहार है.”

NASA को मिली बड़ी सफलता, क्षुद्रग्रह बेनू पर मिले पानी के संकेत

उल्लेखनीय है कि 26 नवंबर को मंगल ग्रह की सतह पर उतरने के बाद से इनसाइट की टीम सावधानीपूर्वक मंगल की जमीन पर पूर्ण रूप से सक्षम दो वैज्ञानिक उपकरणों को तैनात करने की दिशा में काम कर रही है.

VIDEO : मंगल पर पानी होने के साफ संकेत

टिप्पणियां

(इनपुट भाषा से)



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NASA Study Claims Sugar Molecules Probably Exist in Deep Space


The sugar that makes up DNA could be floating around in the vast darkness of space, say scientists at the US space agency NASA.

The research suggests that the sugar molecule that puts the “D” in DNA – 2-deoxyribose – could exist in the far reaches of space. 

In laboratory conditions that mimic interstellar space, a team of NASA astrophysicists were able to create DNA’s sugar.

According to them, yet another of life’s critical chemical building blocks could be widespread in the universe and potentially seed other planets as well.

“We don’t yet know whether life is common in the universe but we’re pretty sure the presence of life’s building blocks is not a limiting factor,” said lead author Michel Nuevo, a researcher at NASA’s Ames Research Center in California’s Silicon Valley.

The results, published in the journal Nature Communications, represent the first solid evidence of the formation of DNA’s sugar in an astrophysical setting.

These complex sugars add to the growing list of organic compounds found on meteorites and in cosmic-like laboratory conditions. These include amino acids, the building blocks of proteins; nucleobases, the basic units of the genetic code; and amphiphiles, the class of molecules used by life to produce the membranes around cells.

“The universe is an organic chemist. It has big beakers and lots of time – and the result is a lot of organic material, some of which is useful to life,” said Scott Sandford, a senior scientist in the Ames astrochemistry lab.

The early Earth was probably showered with such materials as meteoroids and comets pummelled its surface. Sugar derivatives like sugar acids and sugar alcohols have been found in these samples. 

These sugar derivatives can evolve into the sugars used in DNA and RNA in the presence of water, giving researchers new avenues to explore about the chemistry of life’s beginnings.



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Sugar Molecules Probably Exist In Deep Space, Says NASA


In laboratory condition mimicing interstellar space, NASA was able to create DNA’s sugar (Representative)

Washington: 

The sugar that makes up DNA could be floating around in the vast darkness of space, say scientists at the US space agency NASA.

The research suggests that the sugar molecule that puts the “D” in DNA — 2-deoxyribose — could exist in the far reaches of space.

In laboratory conditions that mimic interstellar space, a team of NASA astrophysicists was able to create DNA’s sugar.

According to them, yet another of life’s critical chemical building blocks could be widespread in the universe and potentially seed other planets as well.

“We don’t yet know whether life is common in the universe, but we’re pretty sure the presence of life’s building blocks is not a limiting factor,” said lead author Michel Nuevo, a researcher at NASA’s Ames Research Center in California’s Silicon Valley.

The results, published in the journal Nature Communications, represent the first substantial evidence of the formation of DNA’s sugar in an astrophysical setting.

These complex sugars add to the growing list of organic compounds found on meteorites and in cosmic-like laboratory conditions. These include amino acids, the building blocks of proteins; nucleobases, the basic units of the genetic code; and amphiphiles, the class of molecules used by life to produce the membranes around cells.

“The universe is an organic chemist. It has big beakers and lots of time – and the result is a lot of organic material, some of which is useful to life,” said Scott Sandford, a senior scientist in the Ames astrochemistry lab.

The early Earth was probably showered with such materials as meteoroids and comets pummelled its surface. Sugar derivatives like sugar acids and sugar alcohols have been found in these samples.

These sugar derivatives can evolve into the sugars used in DNA and RNA in the presence of water, giving researchers new avenues to explore the chemistry of life’s beginnings.

(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)





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NASA Seeks US Partners to Develop Reusable Systems for Moon Mission


NASA is set to work with American companies to design and develop new reusable systems, in a major step to land astronauts on the surface of the Moon.

NASA is planning to test new human-class landers on the Moon beginning in 2024, with the goal of sending crew to the surface in 2028, the US space agency said in a statement on Thursday.

Through upcoming multi-phased lunar exploration partnerships, NASA will ask American companies to study the best approach to landing astronauts on the Moon and start the development as quickly as possible with current and future anticipated technologies.

“Building on our model in low-Earth orbit, we’ll expand our partnerships with industry and other nations to explore the Moon and advance our missions to farther destinations such as Mars, with America leading the way,” said NASA Administrator Jim Bridenstine.

“When we send astronauts to the surface of the Moon in the next decade, it will be in a sustainable fashion.”

To develop lunar robotic landers, NASA in November collaborated with nine commercial American companies namely Astrobotic, Deep Space Systems, Firefly Aerospace, Intuitive Machines, Lockheed Martin, Mastern Space Systems, Moon Express, Draper and Orbit Beyond.

These companies are eligible for competing for NASA’s contracts valued at $2.6 billion, according to the US-based space agency.

The agency plans to send humans to the Moon using a system of three separate elements that will provide transfer, landing, and safe return.

Using the Gateway to land astronauts on the Moon allows the first building blocks for fully reusable lunar landers. Initially, NASA expects two of the lander elements to be reusable and refuelled by cargo ships carrying fuel from Earth to the Gateway.

The agency is also working on technologies to make rocket propellants using water ice and regolith from the Moon. Once the ability to harness resources from the Moon for propellant becomes viable, NASA plans to refuel these elements with the Moon’s own resources.

This process, known as in-situ resource utilization or ISRU, will make the third element also refuellable and reusable, it said.



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NASA Scientists Discover More Glaciers in East Antarctica Are Losing Ice


A group of glaciers spanning one-eighth of East Antarctica’s coast have begun to lose ice over the past decade, hinting at widespread changes in the ocean, NASA scientists have found.

While East Antarctica has the potential to reshape coastlines around the world through sea level rise, scientists have long considered it more stable than West Antarctica. 

The findings, led by Catherine Walker, a glaciologist at NASA’s Goddard Space Flight Centre in Maryland, revealed that a group of four glaciers sitting to the west of Totten – the biggest glacier in East Antarctica that contains enough ice to raise sea levels by at least 11 feet were losing ice. 

Besides these, a handful of smaller glaciers farther east, are also melting away.

The four glaciers west of Totten, in an area called Vincennes Bay, lowered their surface height by about nine feet (about 2.74 metres) since 2008. Before 2008, there had been no measured change in elevation for these glaciers. 

Farther east, a collection of glaciers along the Wilkes Land coast have approximately doubled their rate of lowering since around 2009, and their surface is now going down by about 0.8 feet (around 0.24 metres) every year. 

These levels of ice loss are small when compared to those of glaciers in West Antarctica. But still, they speak of nascent and widespread change in East Antarctica.

The reason could be recent changes in winds and sea ice have resulted in an increase to the heat delivered by the ocean waters to the glaciers in Wilkes Land and Vincennes Bay, Walker said in a statement on Monday.

“Those two groups of glaciers drain the two largest sub-glacial basins in East Antarctica, and both basins are grounded below sea level,” Walker said. 

“If warm water can get far enough back, it can progressively reach deeper and deeper ice. This would likely speed up glacier melt and acceleration, but we don’t know yet how fast that would happen. 

“Still, that’s why people are looking at these glaciers, because if you start to see them picking up speed, that suggests that things are destabilising,” Walker explained.

The results were presented at the American Geophysical Union meeting in Washington. 





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nasa released first sound of waves of mars by InSight lander


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NASA Craft ‘Hears’ Wind On Mars For The First Time


The strong gusts of wind were captured as they moved over the solar panels on NASA’s InSight lander

Tampa, US: 

Humans can now hear the haunting, low rumble of wind on Mars for the first time, after NASA’s InSight lander captured vibrations from the breeze on the Red Planet, the US space agency said Friday.

The strong gusts of wind, blowing between 10 to 15 mph (five to seven meters a second), were captured as they moved over the solar panels on InSight, an unmanned lander that touched down on Earth’s dusty, desolate neighbor November 26.

Two sensors picked up the vibrations: an air pressure sensor inside the lander and a seismometer on the lander’s deck, awaiting to be deployed to the surface by InSight’s robotic arm.

“This is the very first fifteen minutes of data that have come from the short period seismometer,” said Thomas Pike, lead investigator at Imperial College London, during a conference call with reporters.

“It’s a little like a flag waving in the wind,” he added.

“It really sounds otherworldly, and that is exactly what it is.”

InSight is designed to study the interior of Mars like never before, using seismology instruments to detect quakes and a self-hammering mole to measure heat escape from the planet’s crust.

Sensing the wind, which moved from northwest to southeast at around 5 pm local time, was “an unplanned treat,” said Bruce Banerdt, InSight principal investigator at NASA’s Jet Propulsion Laboratory in Pasadena, California.

NASA’s Viking 1 and 2 landers also picked up signals of the Martian wind when they landed in 1976.

They were measuring it at lower sampling rates, however, not frequencies that would be audible, and did not return sounds that people could listen to.

“Personally, listening to the sounds form the pressure sensor, reminds me of sitting outside on a windy summer afternoon, listening to the turbulent gusts come and go and whistle through your ears,” said Don Banfield, a researcher at Cornell University.

“In some sense, this is what it would sound like if you were sitting on the Insight lander on Mars.”

An audio track of the Martian wind is available on www.nasa.gov/insightmarswind.

(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)

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