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Huge cave found on moon, could house astronauts

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Owlscrying
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Unread post Thu Oct 19, 2017 7:39 pm

Scientists at Japan's space agency have discovered a huge moon cave that could one day house a base that would shelter astronauts from dangerous radiation and wild temperature swings, officials said Thursday.

Data taken from Japan's SELENE lunar orbiter has confirmed the existence of the 50 kilometre (31 miles) long and 100 metre wide cavern that is believed to be lava tube created by volcanic activity about 3.5 billion years ago.

The major finding was published this week in US science magazine Geophysical Research Letters.

"We've known about these locations that were thought to be lava tubes...but their existence has not been confirmed until now," Junichi Haruyama, a researcher at the Japan Aerospace Exploration Agency, told AFP on Thursday.

The underground tunnel, located under an area called the Marius Hills, would help protect astronauts from huge swings in temperature and damaging radiation that they would be exposed to on the moon's surface, he added.

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Owlscrying
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Unread post Thu Oct 19, 2017 7:41 pm



Could astronauts one day be printing rather than building a base on the Moon? In 2013 ESA, working with industrial partners, proved that 3D printing using lunar material was feasible in principle. Since then, work continues to investigate the technique. The shielding against radiation provided by a 3D-printed block of simulated lunar regolith was measured, providing important inputs for next-stage designs... Soon the Agency is due to investigate another lunar 3D printing method, harnessing concentrated sunlight to melt regolith rather than using a binding liquid.

But how might lunar 3D printing one day be used in practice? Foster+Partners, contributing architectural concepts for the original study, put together this outline of a hypothetical mission to 3D-print an entire a lunar base, illustrating the design factors that steered them in their work. The rim of Shackleton Crater at the lunar south pole was chosen for the base location. The Moon’s rotation is such that the Sun only grazes its poles at low angles. The result is a near-constant ‘peak of eternal light’ along the rim of Shackleton Crater, beside regions of permanent shadow. Building in the vicinity of such a site would offer plentiful solar power, and relief from the extremes of heat and cold found across the rest of the Moon.

 

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Owlscrying
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Unread post Thu Oct 19, 2017 7:44 pm



The Japanese Aerospace Exploration Agency (JAXA) launched KAGUYA (SELENE) on September 14, 2007 from Tanegashima Space Center.

Shown here is the first ever high-definition video of the Moon's surface, which was filmed by the probe in November. You can see the Earth rising about midway through the film.

The major objectives of this mission are to obtain scientific data of the lunar origin and its evolution, and to develop the technology for future exploration.

"KAGUYA" consists of a main orbiting satellite at about 100km altitude and two smaller satellites (Relay Satellite and VRAD Satellite) in polar orbit.

 

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ladybug00000000000
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Unread post Thu Oct 19, 2017 7:58 pm

:shocked: Wow!!

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