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	<title>vIndianz.com &#187; Nasa</title>
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	<description>Latest Breaking India News, Travel, Business Headlines &#38; Bollywood News</description>
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		<title>NASA satellites discover unanticipated ice loss in east Antarctica</title>
		<link>http://www.vindianz.com/news/nasa-satellites-discover-unanticipated-ice-loss-172215.html</link>
		<comments>http://www.vindianz.com/news/nasa-satellites-discover-unanticipated-ice-loss-172215.html#comments</comments>
		<pubDate>Thu, 26 Nov 2009 11:52:15 +0000</pubDate>
		<dc:creator>Staff</dc:creator>
				<category><![CDATA[News]]></category>
		<category><![CDATA[Antarctica]]></category>
		<category><![CDATA[Nasa]]></category>
		<category><![CDATA[World News]]></category>

		<guid isPermaLink="false">http://www.vindianz.com/?p=637</guid>
		<description><![CDATA[<p>vIndianz.com (26 Nov, 2009) &#8212; By means of gravity measurement data from ]]></description>
			<content:encoded><![CDATA[<p>vIndianz.com (26 Nov, 2009) &#8212; By means of gravity measurement data from the NASA/German Aerospace Center&#8217;s Gravity Recovery and Climate Experiment (GRACE) mission, a team of scientists from the University of Texas at Austin has discovered that the East Antarctic ice sheet-home to about 90 percent of Earth&#8217;s solid fresh water and formerly measured stable-may have begun to lose ice. The squad used Grace Data to calculate approximately Antarctica&#8217;s ice mass between 2002 and 2009. Their outcome, published Nov. 22 in the journal Nature Geosciences, found that the East Antarctic ice sheet is on the verge of losing mass, generally in coastal regions, at an estimated rate of 57 gigatonnes a year. A gigatonne is one billion metric tons, or more than 2.2 trillion pounds. The ice loss there may have begun as early as 2006. The study too established preceding results showing that West Antarctica is losing about 132 gigatonnes of ice per year.</p>
<p>&#8220;Although we are considering a development of accelerating ice loss in Antarctica, we had measured East Antarctica to be inviolate,&#8221; said lead author and Senior Research Scientist Jianli Chen of the university&#8217;s Center for Space Research. &#8220;But if it is losing mass, as our data points out, it may be a sign the state of East Antarctica has altered. Since it&#8217;s the largest ice sheet on Earth, ice loss there can have a large impact on international sea level rise in the future.&#8221;</p>
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		<title>NASA suspended its 2nd attempt to launch test rocket</title>
		<link>http://www.vindianz.com/news/nasa-suspended-its-2nd-attempt-202959.html</link>
		<comments>http://www.vindianz.com/news/nasa-suspended-its-2nd-attempt-202959.html#comments</comments>
		<pubDate>Wed, 28 Oct 2009 14:59:59 +0000</pubDate>
		<dc:creator>Staff</dc:creator>
				<category><![CDATA[News]]></category>
		<category><![CDATA[Nasa]]></category>
		<category><![CDATA[Rocket]]></category>
		<category><![CDATA[Space]]></category>
		<category><![CDATA[World News]]></category>

		<guid isPermaLink="false">http://www.vindianz.com/news/nasa-suspended-its-2nd-attempt-to-launch-test-rocket-202959.html</guid>
		<description><![CDATA[<p>vIndianz.com (28 Oct, 2009) &#8212; Repetitive attempts to launch rocket on Tuesday ]]></description>
			<content:encoded><![CDATA[<p>vIndianz.com (28 Oct, 2009) &#8212; Repetitive attempts to launch rocket on Tuesday were yet again let down by weather conditions. NASA will attempt a second time to launch its trial Ares I-X test rocket Wednesday, following a cloudy weather and small setbacks obstructed its original attempt.</p>
<p><img src="http://www.vindianz.com/wp-content/uploads/2009/10/nasa_logo-300x258.png" alt="nasa_logo" title="nasa_logo" width="300" height="258" class="alignleft size-medium wp-image-563" />The $445 million rocket is the original of its variety — a model of the vehicle NASA plans to carry people to orbit and the moon; however it is based on space shuttle and other previous hardware. The test launch was slated to lift off at 8 a.m. ET, even though launch managers believed weather almost certainly won&#8217;t oblige until about 10:30 a.m.</p>
<p>An anticipated 154 lightning strikes were reported within a five-mile (eight-kilometer) radius of the launch pad during the night. Launch controllers were retesting the Ares I-X rocket systems to confirm nothing was damaged. The additional work postponed Wednesday morning&#8217;s liftoff. The launch test is planned to learn how well this rocket design works by congregating information from over 700 onboard sensors.</p>
<p>Recurring attempts to launch the rocket Tuesday were let down by clouds, strong winds, and the danger of an occurrence called &#8220;triboelectrification,&#8221; which can be produced when a rocket passes through clouds and triggers static electricity that may perhaps hinder with the vehicle&#8217;s instruments. Other actions, similar to a stuck sock-like apparatus cover, which crews had difficulty pulling off the rocket, additionally inundated takeoff plans.</p>
<p>Although NASA had a four-hour window beginning at 8 a.m. ET to attempt to loft the rocket, circumstances by no means lined up and mission managers gave up for the day at around 11:30 a.m.</p>
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		<title>Nasa Rocket launch postponed due to weather conditions</title>
		<link>http://www.vindianz.com/news/nasa-rocket-launch-postponed-154001.html</link>
		<comments>http://www.vindianz.com/news/nasa-rocket-launch-postponed-154001.html#comments</comments>
		<pubDate>Tue, 27 Oct 2009 10:10:01 +0000</pubDate>
		<dc:creator>Staff</dc:creator>
				<category><![CDATA[News]]></category>
		<category><![CDATA[Nasa]]></category>
		<category><![CDATA[World News]]></category>

		<guid isPermaLink="false">http://www.vindianz.com/?p=523</guid>
		<description><![CDATA[<p>vIndianz.com (27 Oct, 2009) &#8212; The launch of a sample rocket designed ]]></description>
			<content:encoded><![CDATA[<p>vIndianz.com (27 Oct, 2009) &#8212; The launch of a sample rocket designed to substitute the aging shuttle has been postponed by bad weather.</p>
<p>The lean, 100m-tall Ares I-X vehicle was made-up to check technology critical for the growth of a manned craft. </p>
<p>A arrangement of elevated wind speeds and clouds contributed to Nasa&#8217;s result to scrub the launch at Kennedy Space Centre in Florida. </p>
<p>The trial craft has two additional four-hour launch windows among 0800 and 1200 EDT on 28 and 29 October. </p>
<p>The craft is the foremost fresh launch vehicle that NASA has designed and built in over three decades. </p>
<p>Before the planned take-off, a material cover designed to guard a look into on the nose of the craft even as it was on the launch pad became knotted. It was lastly free to a round of applause by the mission team. </p>
<p>Lastly, bad weather preserved the fortune of the vehicle&#8217;s initial planned launch effort. Winds at ground level were blowing higher than 20 knots, greater than permissible for launch, and clouds covered the pad. </p>
<p>The flight team was mainly anxious about the cloud coverage, partially since they required clear skies to observe the flight but also because of a difficulty known as &#8220;tribo-electrification&#8221;. </p>
<p>This phenomenon takes place when the rocket encounters water or ice droplets in the clouds. As these collide with the rocket it causes a static charge to build up on the rocket&#8217;s skin, creating interfering with radio signals. </p>
<p>This is a difficulty for the 1-X team, which needs clear signals to collect data from the 700 sensors wired all through the vehicle designed to accumulate flight data. </p>
<p>The slim-line rocket is a prototype of the Ares I craft, part of the Constellation programme intended to come back to the US to the Moon by 2020.</p>
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		<title>NASA photos depict moon strike created Plume</title>
		<link>http://www.vindianz.com/sci-tech/nasa-photos-depict-moon-strike-created-plume-182914.html</link>
		<comments>http://www.vindianz.com/sci-tech/nasa-photos-depict-moon-strike-created-plume-182914.html#comments</comments>
		<pubDate>Wed, 21 Oct 2009 12:59:14 +0000</pubDate>
		<dc:creator>Staff</dc:creator>
				<category><![CDATA[Sci & Tech]]></category>
		<category><![CDATA[Nasa]]></category>
		<category><![CDATA[Science News]]></category>
		<category><![CDATA[Space]]></category>

		<guid isPermaLink="false">http://www.vindianz.com/?p=489</guid>
		<description><![CDATA[<p>vIndianz.com (Oct. 21, 2009) — NASA&#8217;s much-hyped mission to throw a spacecraft ]]></description>
			<content:encoded><![CDATA[<p>vIndianz.com (Oct. 21, 2009) — NASA&#8217;s much-hyped mission to throw a spacecraft into the moon bowed out several valuable data after all, scientists said.</p>
<p><img src="http://www.vindianz.com/wp-content/uploads/2009/10/Nasa_Photo_Moon-300x225.jpg" alt="Nasa_Photo_Moon" title="Nasa_Photo_Moon" width="300" height="225" class="alignleft size-medium wp-image-490" />Latest images demonstrate a mile-high plume of lunar debris from the Cabeus crater soon after the space agency&#8217;s Centaur rocket struck on October 9.</p>
<p>&#8220;We were blown away by the data returned,&#8221; the mission&#8217;s chief scientist Anthony Colaprete said in a report on Friday from the Ames Research Center in Mountain View, California, which managed the launch. &#8220;The team is working hard on the analysis, and the data appear to be of very high quality.&#8221;</p>
<p>In media coverage after the impact, lots of observers said they were dissatisfied at the lack of demonstration. However scientists believed the mission was carried out for &#8220;a scientific purpose, not to put on a fireworks display for the public,&#8221; said space consultant Alan Stern, a former NASA associate administrator for science.</p>
<p>But Michio Kaku, a professor at the City College of New York and host of Sci Q Sundays on the Science Channel, said NASA might be jumping the gun in calling the consequences &#8220;a smashing success,&#8221; acting in response to public criticism of the mission.</p>
<p>&#8220;They got beautiful pictures of the event, but that&#8217;s not why we spent $79 million,&#8221; Kaku said. &#8220;Ice on the moon is more valuable than gold.&#8221;</p>
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		<title>NASA Launches a new technology, Inflatable Heat Shield for future spacecraft</title>
		<link>http://www.vindianz.com/sci-tech/nasa-launches-a-new-technology-130506.html</link>
		<comments>http://www.vindianz.com/sci-tech/nasa-launches-a-new-technology-130506.html#comments</comments>
		<pubDate>Tue, 18 Aug 2009 07:35:06 +0000</pubDate>
		<dc:creator>Staff</dc:creator>
				<category><![CDATA[Sci & Tech]]></category>
		<category><![CDATA[Nasa]]></category>
		<category><![CDATA[Science News]]></category>
		<category><![CDATA[Tech]]></category>

		<guid isPermaLink="false">http://www.vindianz.com/?p=84</guid>
		<description><![CDATA[<p>vIndianz.com (Aug. 18, 2009) &#8212; A successful NASA flight test has shown ]]></description>
			<content:encoded><![CDATA[<p>vIndianz.com (Aug. 18, 2009) &#8212; A successful NASA flight test has shown that a spacecraft returning to Earth can use an inflatable heat shield to slow and protect itself as it enters the atmosphere at hypersonic speeds. This was the first time anyone has successfully flown an inflatable reentry capsule.  </p>
<p><img src="http://www.vindianz.com/wp-content/uploads/2009/08/inflatable-heat-shield-300x225.jpg" alt="inflatable heat shield" title="inflatable heat shield" width="300" height="225" class="left" />This test could make it possible to land larger payloads on Mars. A vacuum-packed inflatable shroud could enable future spacecraft reentry on both Earth and Mars.  </p>
<p>The Inflatable Re-entry Vehicle Experiment (IRVE) was vacuum-packed into a 15-inch diameter payload &#8220;shroud&#8221; and launched on a small sounding rocket from NASA&#8217;s Wallops Flight Facility on Wallops Island, Va. </p>
<p>Nitrogen inflated the 10-foot diameter heat shield, made of several layers of silicone-coated industrial fabric, inflated with nitrogen to a mushroom shape in space several minutes after liftoff.  </p>
<p>The Black Brant 9 rocket took approximately four minutes to lift the experiment to an altitude of 131 miles. Less than a minute later it was released from its cover and started inflating on schedule at 124 miles up.</p>
<p>The inflation of the shield took less than 90 seconds.  </p>
<p>The Inflatable Re-entry Vehicle Experiment is an example of how NASA is using its aeronautics expertise to support the development of future spacecraft.  </p>
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