2.7K views · 291 reactions | Since NASA opened for business in 1958 it has used a variety of instruments to study space and the heavenly bodies that inhabit it. Do you know how many planets in this solar system have been observed by NASA spacecraft in those years? | NASA's Johnson Space Center | Facebook

Comet 3I/ATLAS is the third known object from outside our solar system to be discovered passing through our neighborhood. ☄ Track its current and future position using our "Eyes on the Solar System" interactive. Here it is passing near Mars in October: go.nasa.gov/4goaV2t All about Comet 3I/ATLAS and NASA's ongoing observations: science.nasa.gov/solar-system/comets/3i-atlas/ | NASA Solar System Exploration

392K views · 3.7K reactions | Fly me to the Moon: Using our telescope on a plane, SOFIA Stratospheric Observatory for Infrared Astronomy, scientists confirmed H2O on the sunlit surface of the Moon for the first time. This means water molecules may be distributed across the lunar surface, not just in shadowed places. Details: https://go.nasa.gov/31HtWaO | NASA Solar System Exploration | Facebook