Click here to see more videos: https://alugha.com/NASA Parker Solar Probe - NASA's mission to touch the Sun - has revealed new discoveries about our star. Principal Investigators for some of the mission's instruments share their excitement about this new science.
NASA ScienceCasts: A Sunset Sky Show
Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more. On the evening of March 18 (2018), step outside for a view of the crescent Moon, Venus, and Mercury together above the twilight horizon.