If your browser or smart phone is set up to view it, this 360 video will let you virtually explore a Mars simulation facility at NASA’s Jet Propulsion Laboratory, where engineers are practicing for an upcoming Mars lander mission.
Boats moving through water make bow waves. Objects in space, including Earth, make them, too. Even the moon’s shadow – penetrating Earth’s atmosphere during a total solar eclipse – creates moving bow waves.
This was the most popular post at EarthSky this week, and no wonder. It’s exciting! We’re holding our breaths for the 1st-ever direct image of a black hole’s event horizon, expected to be released in 2018.