Sunday November 19, 2017

‘ET Comes Home’: NASA’s fuel tank takes a street ride to LA museum

The California Science Center has called the mission "ET Comes Home," in a play on the "external tank" name and the 1982 movie "E.T. the Extra-Terrestrial."

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The space shuttle Endeavour's external fuel tank ET-94 makes its way to the California Science Center in Exposition Park in Los Angeles, California, U.S. May 21, 2016. REUTERS/Lucy Nicholson

By Archita Aggarwal

A giant orange NASA fuel tank began its final journey on Saturday, along city streets to a Los Angeles science center where it will be displayed with the space shuttle Endeavour.

The California Science Center has called the mission “ET Comes Home,” in a play on the “external tank” name and the 1982 movie “E.T. the Extra-Terrestrial.”

The transport is a sequel of sorts to the 2012 mission to tow Endeavour from the Los Angeles airport to the science center, a project that captivated crowds of onlookers.

NASA
NASA building in US. Image source: Wikimedia Commons

But the 65,000-pound (29,484 kg) fuel tank, which is 154 feet (47 meter) long, is neither as wide nor tall as the space shuttle, which museum officials said means it can more easily squeeze through city streets as it is towed by truck on rolling dollies from Marina del Rey, where it had arrived on a barge.

ET-94’s route took it past a major highway and covered more than 16 miles (26 km) to the California Science Center just south of downtown Los Angeles, in a journey that ended on Saturday evening, the museum said.

The U.S. National Aeronautics and Space Administration (NASA) donated the fuel tank, which was designed to carry propellants to thrust a space shuttle into orbit and then detach, mostly disintegrating as it fell to the ocean.

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Archita is an intern at NewsGram and is pursuing bachelor’s of journalism and mass communication. Contact the author at Twitter-Archita001

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Donald Trump Planning to meet Putin during his Asia tour

Donald Trump's first trip to Asia is the longest international tour.

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US President Donald Trump
US President Donald Trump. wikimedia commns
  • US President Donald Trump said on Sunday that he expected to meet his Russian counterpart Vladimir Putin during his Asia tour.

“I think it’s expected we’ll meet with Putin, yeah. We want Putin’s help on North Korea, and we’ll be meeting with a lot of different leaders,” Donald Trump told reporters on Air Force One before landing at the Yokota Air Base in Japan, Efe reported.

Putin is scheduled to participate in the Asia-Pacific Economic Cooperation (APEC) summit in Da Nang, Vietnam, which Trump will also attend as part of his long Asia tour.

The North Korean nuclear threat is expected to dominate Donald Trump’s meetings in Japan and the next two stages of his tour, South Korea and China, where he will have a highly anticipated sit-down with Chinese President Xi Jinping.

The remainder of the tour will be more focused on economic issues, with Trump scheduled to take part in the APEC meeting in Da Nang and then in the Association of Southeast Asian Nations (ASEAN) Summit and the East Asia Summit in the Philippines.

Donald Trump’s first trip to Asia is the longest international tour by a US head of state since the one then-President George H.W. Bush embarked on in 1992.

Bush became ill at the end of that trip, famously vomiting on the Japanese prime minister’s lap at a formal dinner before fainting.(IANS)

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NASA: Earth’s Ozone Hole Shrinks to Smallest Since 1988

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NASA
NASA: Earth's Ozone Hole Shrinks to Smallest Since 1988 (VOA)

Washington: The ozone hole over Antarctica shrank to its smallest peak since 1988, NASA said Thursday. The huge hole in Earth’s protective ozone layer reached its maximum this year in September, and this year NASA said it was 7.6 million square miles (19.6 million square kilometers). The hole size shrinks after mid-September.

This year’s maximum hole is more than twice as big as the United States, but it’s 1.3 million square miles smaller than last year and 3.3 million square miles smaller than 2015.

FILE - A false-color view of total ozone over the Antarctic pole is seen in this NASA handout image released Oct. 24, 2012. The purple and blue colors are where there is the least ozone. The average area covered by the Antarctic ozone hole in that year was the second smallest in two decades, at 8.2 million square miles; in September 2017, it was 7.6 million square miles.

[ FILE – A false-color view of total ozone over the Antarctic pole is seen in this NASA handout image released Oct. 24, 2012. The purple and blue colors are where there is the least ozone. The average area covered by the Antarctic ozone hole in that year was the second smallest in two decades, at 8.2 million square miles; in September 2017, it was 7.6 million square miles ].

Paul Newman, chief Earth scientist at NASA’s Goddard Space Flight Center, said stormy conditions in the upper atmosphere warmed the air and kept the chemicals chlorine and bromine from eating ozone. He said scientists haven’t quite figured out why some years are stormier — and have smaller ozone holes — than others.

“It’s really small this year. That’s a good thing,” Newman said.

Newman said this year’s drop is mostly natural but is on top of a trend of smaller steady improvements likely from the banning of ozone-eating chemicals in a 1987 international treaty. The ozone hole hit its highest in 2000 at 11.5 million square miles (29.86 million square kilometers).

Ozone is a colorless combination of three oxygen atoms. High in the atmosphere, about 7 to 25 miles (11 to 40 kilometers) above the Earth, ozone shields Earth from ultraviolet rays that cause skin cancer, crop damage and other problems.

Scientists at the United Nations a few years ago determined that without the 1987 treaty, by 2030 there would have been an extra 2 million skin cancer cases. They said that overall, the ozone layer is beginning to recover because of the phase-out of chemicals used in refrigerants and aerosol cans. (VOA)

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NASA sounding rocket probing dark regions of space falters

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NASA

Washington, Oct 31: A NASA sounding rocket launched with the aim of studying the darks voids in between the stars and galaxies that fill the night sky has failed to deliver science data because of a possible issue with the attitude control system.

The Dual-channel Extreme Ultraviolet Continuum Experiment, or DEUCE for short, was launched on Monday from the White Sands Missile Range in New Mexico.

“The Black Brant IX sounding rocket performed nominally. However, science data was not obtained because of a possible issue with the attitude control system,” NASA said in a statement late on Monday.

“The payload descended by parachute and was recovered. The Sounding Rocket Program Office is investigating the anomaly,” it added.

The cold, diffuse gas between galaxies — called the intergalactic medium, or IGM for short — hardly emits any light.

To shed light on the nature of the IGM, the sounding rocket was equipped with special ultraviolet optics.

The experiment was designed to measure starlight from a pair of nearby hot stars in the constellation Canis Major, aiming to help researchers understand how the IGM got to its current state.

–IANS