Mercury Facts Think Out of the Box True or False The Swift Planet! Choose Wisely Deep to the Core! Matchy Matchy! High Five Craters Hunting Time! Discovery Time NASA-Mazing!Frequently Asked QuestionsWhat is Mercury?Mercury, the tiniest planet in our solar system and the closest to the sun,...
Read this next Space Get the scoop on all things space. Total solar eclipse Katherine Johnson African American Heroes Katherine Johnson Space Explorer Action and Adventure Space Explorer Legal Terms of Use Privacy Policy Your US State Privacy Rights Children's Online Privacy Policy Interest-Based Ads...
Plus you can learn more about what’s in our Solar System with our Top 10 Facts on the Sun and the Moon; the planets Earth, Venus, Mars, Jupiter, Saturn, Uranus more »
recorded by a television camera whose signal was transmitted back to NASA Mission Control in Houston. In the audio can be heard one of the most famous misstatements in history: Armstrong had planned to say “That's one small step for a man, one giant leap for mankind,” but he forgot th...
Try Britannica Premium for free and discover more. Subscribe Shepard headed NASA’s astronaut office from 1963 to 1969 and then from 1971 to 1974, when he retired from the navy as a rear admiral and from the space program toundertakea career in private business inTexas. He received numerous...