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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NASA Video: A Gut Feeling

NASA Video: A Gut Feeling

NASA uploaded a pretty neat video about understanding gut bacteria. The video starts by stating there are 3 pounds of bacteria in the human gut. Wow! Dr. Fred Turek of Northwestern Universities Center for Sleep and Circadian Biology is studying that bacteria in astronauts on the International Space Station.

When Scott Kelly went to live in the orbital complex for a whole year, one of areas scientists were studying was the bacteria inside Kelly's gut and how they changed (or didn't) over the yearlong stay in microgravity.

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