Why Light Is The fastest thing In The Universe

Galactic Milkyway. by Oliver Kay Photography on Flickr.

A day on Neptune is just 16 hours long

Image credit: Oscar Malet

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Solar Dynamics Observatory

The Solar Dynamics Observatory (SDO) is a NASA mission which has been observing the Sun since 2010. Launched on February 11, 2010, the observatory is part of the Living With a Star (LWS) program. The goal of the LWS program is to develop the scientific understanding necessary to effectively address those aspects of the connected Sun–Earth system directly affecting life and society. The goal of the SDO is to understand the influence of the Sun on the Earth and near-Earth space by studying the solar atmosphere on small scales of space and time and in many wavelengths simultaneously. SDO has been investigating how the Sun’s magnetic field is generated and structured, how this stored magnetic energy is converted and released into the heliosphere and geospace in the form of solar wind, energetic particles, and variations in the solar irradiance

Read more at: NASA/SDO | Wikipedia

Image credit: NASA/SDO/AIA/HMI/EVE & proccessed  Stuart Rankin

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