August 20 | 2017
Throughout the continent, the Moon will cover part – or all – of the Sun’s super-bright face for part of the day. For those within the narrow path of totality, stretching from Oregon to South Carolina, that partial eclipse will become total for a few brief moments. Make sure you’re using proper solar filters (not sunglasses) or an indirect viewing method if you plan to watch the eclipse in person. Wherever you are, you can also watch Monday’s eclipse online with us at http://www.nasa.gov/eclipselive. Starting Monday, Aug. 21, 2017 at noon ET, our show will feature views from our research aircraft, high-altitude balloons, satellites and specially modified telescopes, as well as live reports from cities across the country and the International Space Station. Learn all about #Eclipse2017 at http://eclipse2017.nasa.gov.
This edge-on view of a galaxy located about 45 million light-years away, showcases its beautiful arms, which swirl like a whirlpool around its bright central region.
February 04 | 2018
Astronomers took this image as they were observing an extraordinary exploding star – a supernova – near the galaxy’s central yellow core! The star rapidly evolved from a supernova containing very little hydrogen to one that is hydrogen-rich — in just one year. This rarely observed metamorphosis was luminous at high energies and provides unique insight into the poorly understood final phases of massive stars. By studying similar galaxies we hold a scientific mirror up to our own, allowing us to build a better understanding of our galactic environment, which we cannot always observe, and of galactic behavior and evolution as a whole. Credit: ESA/Hubble & NASA/D. Milisavljevic (Perdue University)