Could there have been an advanced civilization that walked the Earth millions or even billions of years ago, and then died out long ago, their technology and structures lost to the eons? More at #365DaysOfAstro
The Solar System is a really big place, and it takes forever to travel from world to world with traditional chemical rockets. But one technique, developed back in the 1960s might provide a way to dramatically shorten our travel times: nuclear rockets.
We know there’s life on Earth, and our atmosphere tells the tale, so can we do the same thing with extrasolar planets?
astronomers and engineers have an amazing technology that allows a telescope to peer into space as if the atmosphere isn’t even there.
NASA’s Voyager spacecraft are on a journey through the outer reaches of the Solar System and out into the Milky Way Galaxy. In the thousands, millions and even billions of years of travel, where will they go? What will they see?
Over the past decades, many missions have been canceled. What alternative history could we have had if these projects had gone through?
Imagine how humans will colonize the inner Solar System, becoming a true spacefaring civilization. #365DaysofAstro
New discoveries about icy worlds like Europa & Enceladus make them the ideal candidates for the search for life in the Universe. How do we search for life when it’s hidden beneath kilometers of ice?
Did you hear that the Universe has 10x the number of galaxies? How did astronomers discover this, and what does it mean for the number of stars?