Tracing The Source of a Cosmic Phenomenon on This Week @NASA – July 13, 2018 | Summary and Q&A

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July 13, 2018
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Tracing The Source of a Cosmic Phenomenon on This Week @NASA – July 13, 2018

TL;DR

"Fermi Gamma-ray Space Telescope traces a high-energy neutrino back to a distant supermassive black hole, Cassini spacecraft captures the sound of plasma waves between Saturn and its moon Enceladus, and Chandra X-ray Observatory reveals young stars in the Eagle Nebula."

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Questions & Answers

Q: How did the Fermi Gamma-ray Space Telescope trace a high-energy neutrino back to a black hole?

The telescope detected a blast of gamma-ray light from a distant supermassive black hole in the constellation Orion, which was traced back to the high-energy neutrino.

Q: What did the Cassini spacecraft observe regarding plasma waves?

The spacecraft observed that plasma waves travel on magnetic field lines connecting Saturn and Enceladus, recording the sound of the plasma waves and converting it into an audio file.

Q: What did the Chandra X-ray Observatory and Hubble Space Telescope reveal about the Eagle Nebula?

The observatories combined data to identify hundreds of young stars, including protostars, in the star-forming region of the Eagle Nebula.

Q: What is the significance of the new flight directors announced by NASA?

The newly selected flight directors will oversee human missions involving the International Space Station, including flights on commercial crew spacecraft and missions to the Moon and beyond using the Orion spacecraft.

Summary & Key Takeaways

  • The Fermi Gamma-ray Space Telescope has detected a high-energy neutrino from outside our galaxy and traced it back to a supermassive black hole in the Orion constellation.

  • The Cassini spacecraft recorded plasma waves traveling between Saturn and its moon Enceladus, revealing their movement on magnetic field lines.

  • A composite image of the Eagle Nebula combines X-ray data from the Chandra X-ray Observatory and optical data from the Hubble Space Telescope, identifying hundreds of young stars in formation.

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