NASA

The Two-Way
1:55 pm
Thu August 8, 2013

U.S. 'Space Fence' Will Cease To Operate, Site Says

A rendering of objects currently in Low Earth Orbit (not illustrated to scale). According to NASA, "approximately 95 percent of the objects in this illustration are orbital debris, i.e., not functional satellites."
NASA

Originally published on Thu August 8, 2013 3:54 pm

A U.S. radar system that tracks thousands of objects orbiting Earth — from satellites to harmful debris — has been slated for shutdown, according to the Space News site. The ground-based network known as the "Space Fence" may cease to operate in October.

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The Two-Way
11:44 am
Thu August 8, 2013

NASA: Sun Getting Ready For A 'Field Flip'

NASA/SDO

Originally published on Thu August 8, 2013 2:05 pm

Our nearest star is about to pull a once-in-11-years move by swapping its north and south magnetic poles.

The sun's polarity switch is a natural part of "solar max" — the period of peak activity during what averages out to be roughly an 11-year cycle. According to NASA, this year will mark the fourth time since 1976 that scientists have observed the 180-degree pole flip.

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The Two-Way
8:45 am
Sat May 11, 2013

Astronauts Go On Spacewalk To Fix Ammonia Leak

NASA.gov

Originally published on Sat May 11, 2013 4:11 pm

Two astronauts went on a last-minute spacewalk Saturday to replace a pump suspected of being the source of a serious ammonia leak.

It was unclear what caused the ammonia leak, NASA spokesman Rob Navias said, "but the installation of this spare pump package — at least at the moment — seems to have done the trick."

NASA officials called the spacewalk a success, but said it would take time to see if the leak was indeed stopped. Engineers will review photos the astronauts took at the site.

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