8.5K views · 69 reactions | Rob Manning, JPL's Chief Engineer Emeritus, joins "This Week in Space" hosts Rod Pyle and Tariq Malik to talk about Mariner 4's historic imagery of Mars. “[Robert] Leighton being an optical astronomer said ‘This is an incredible opportunity to do more than any ten big Earth telescopes could do, and we owe it to the taxpayers.’” Read more https://space-com.visitlink.me/mfdFlJ | Space.com | Facebook

54K views · 1.6K reactions | NASA's exploration of Mars began 60 years ago today! Mariner 4 launched on Nov 28, 1964, reaching Mars 7.5 months later. It gave us our very first close up views of Mars, taking 21 photos of the planet's surface as it flew by. Today we give thanks for all those who have worked on all the missions that have allowed us to explore the Red Planet and all the bodies of our solar system! | NASA History | Facebook