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Space & Earth Science

Phys.org provides the latest news on astronomy and space exploration.
  1. Two exoplanets in the TRAPPIST-1 system have been identified as most likely to be habitable, a paper by PSI Senior Scientist Amy Barr says.
  2. Two US astronauts floated outside the International Space Station on Tuesday for a seven-hour, 24-minute spacewalk to repair the orbiting outpost's aging robotic arm, NASA said.
  3. An international team of astronomers has produced the first detailed images of the surface of a giant star outside our solar system, revealing a nearly circular, dust-free atmosphere with complex areas of moving material, known as convection cells or granules, according to a recent study.
  4. "The cosmos is within us. We're made of star stuff." Thanks to a new study, this famous phrase by iconic astronomer Carl Sagan, now has some more support.

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