Tuesday, 25 September 2018

Our Sun: Two Wavelengths, Two Different Images


NASA's Solar Dynamics Observatory views our Sun in ten different wavelengths because each wavelength reveals different solar features. via NASA https://ift.tt/2pBGZXQ

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NASA Artemis II Crew Rings Nasdaq Closing Bell

Nasdaq Chair and Chief Executive Officer Adena T. Friedman, left, and NASA’s Artemis II crew ring the closing bell of the Nasdaq market sess...