NASA’s Lunar Reconnaissance Orbiter spacecraft tour +10 April 14, 2018FreedomAstronomy, Moon, Moonlanding, science
A single atom of strontium “a laser is shone on the strontium atom, and as it absorbs and emits energy, we can see the glow, without actually seeing the atom itself” – Source: https://nationalpost.com/news/world/stunning-image-of-a-single-strontium-atom +10 February 15, 2018Freedom, VariaAstronomy, Atoms, David Nadlinger, science
A political message +10 April 22, 2017FreedomAstronomy, history, Neil deGrasse Tyson, politics, science, USA