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ICYMI, on Monday the planet Mercury made one of its rare appearances transiting the Sun. It won’t do that again until 2032, and that one won’t be visible in the U.S. It was super hard to see, but NASA’s Solar Dynamics Observatory (SDO) had several special cameras filming it and on Wednesday they released a new video showing the transit in gorgeous 4K. The video shows Mercury (the smallest planet — the one closest to the sun) passing in front the Sun using a variety of different imaging tools, in a variety of wavelengths, and through the SDO’s various filters. And there is also the still photo below that The Washington Post ran of Mercury passing in front of the sun as seen in DC with the Washington Monument in relief. Mercury is the tiny dot just above the peak of the monument.
There is an important election happening right now! You can vote to name NASA’s next Mars rover. The Agency held an essay contest and invited students from around the country to propose a fitting name for NASA’s Mars 2020 rover and write a short essay about it. The nine finalists are: Endurance, K-4, Oliver Jacobs […]
Scientists are calling it a “crisis in cosmology.” According to a new study, which was published last month in the Monthly Notices of the Royal Astronomical Society, the universe is expanding faster than we thought. Astrophysicists call the discovery the “most exciting development in cosmology in decades.” Researchers used a new technology at the Keck […]