NICER data helps create 1st pulsar surface map

NICER data helps create 1st pulsar surface map

An instrument aboard the International Space Station has obtained the “best-ever” measurements of a pulsar and helped scientists create the first surface map of this special type of neutron star.

Using NASA’s Neutron star Interior Composition Explorer, or NICER, astrophysicists were able to gather “precise and dependable” X-ray measurements to determine the size and mass of a pulsar.

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Falcon 9 engines ignite briefly in hotfire test days before CRS-11 mission

Falcon 9 engines ignite briefly in hotfire test days before CRS-11 mission

Just a day before Memorial Day, SpaceX performed its customary static fire test on a Falcon 9 slated to send the CRS-11 Dragon capsule to the International Space Station. The test took place at noon EDT (16:00 GMT), May 28, 2017, at Kennedy Space Center's Launch Complex 39A. The several-second ignition, as well as the following planned abort, was soon confirmed by SpaceX via its Twitter account.

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