0 Posted in NASA April 20, 2020 by Bear The Blue Marble: The View From Apollo 17 Fifty years ago, on April 22, 1970, people around the world marked the first Earth Day. via NASA https://ift.tt/3eCY1xa Share This Article Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading... Related Tagged with: IFTTT, NASA Comments & Reviews Cancel replyYour email address will not be published. Required fields are marked *Your Comment or Review: * * Notify me of follow-up comments by email. Notify me of new posts by email. Δ Article Navigation < Previous Article The Gulf Stream in Infrared Next Article > Jessica Meir and Her Crewmates Return Safely from the Space Station