The first image from the Event Horizon Telescope, centered on the nucleus of the giant elliptical galaxy M87, does not show the shadow of the black hole’s event horizon per se. What it does show is a region somewhat larger than the horizon, where spacetime is so distorted that photons can go into orbit around […]
Read MoreFor most of us, a month is a page on a calendar, a set of 30, 31, 28, or, in rare cases, 29 days. But for an astronomer a month is a period of time associated with a cycle of the moon. It turns out that the moon has many cycles, and thus there are […]
Read MoreTodd Timberlake author of Finding our Place in the Solar System discusses the key topic in his new book: The Copernican Revolution. "The Earth really does go around the Sun, but for a long time it was entirely reasonable to believe otherwise. This helps us to see why scientific controversies exist, but also how they are eventually resolved"
Read MoreWilliam Nellis author of Ultracondensed Matter by Dynamic Compression, 2017, discusses how the discoveries of NASA's Voyager Mission changed what we thought we knew about the magnetic fields of gas giants Neptune and Uranus.
Read MoreFor most of us, 1917 reminds us a year in the terrible World War I. While European scientists were on the battlefront, in America, their colleagues away from the frontlines were pursuing their research. For astronomy, 1917 was a year of reckoning. 1917 when astronomers got a grasp that our Milky Way was one of […]
Read MoreMarie Curie at 150 – Celebrating Women in STEM Pierre insisted that her name be added About a century ago, Marie Sklodowska-Curie, in spite of her outstanding work and discoveries which led to two Nobel prizes (Physics and Chemistry), had to struggle for recognition within the French scientific community, mostly dominated by male physicists. At […]
Read MoreJean-René Roy author of Unveiling Galaxies discusses the importance of images in astronomical discovery and understanding.
Read MoreThe Great American Eclipse of August 21, 2017 NASA and the European Space Agency (ESA) both place great emphasis on public engagement, giving back to the taxpayers who support space exploration. When NASA sent out a bulletin asking astronomers to speak to groups during the Great American Eclipse of August 21, 2017, I signed up. […]
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