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Snacking on Stars
A new study using space- and ground-based data from NASA, the European Space Agency, and other institutions describes three extreme examples of supermassive black holes feasting on massive stars. These events released more energy than 100 supernovae and represent the most energetic type of cosmic explosion since the big bang discovered so far.
Supermassive Black Holes about Snacking on Stars
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High Above the World
Astronaut Franklin R. Chang-Diaz works with a grapple fixture during a June 2002 spacewalk – the first spacewalk of the STS-111 mission.
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Earth Information Center
Explore our changing planet
For more than 50 years, NASA satellites have provided data on Earth’s land, water, air, temperature, and climate. NASA’s Earth Information Center allows visitors to see how our planet is changing in six key areas: sea level rise and coastal impacts, health and air quality, wildfires, greenhouse gases, sustainable energy, and agriculture.
Earth Science about Explore our changing planet
