余海峯 David 物理喵 phycat

Are supermoons really aligned with Earth’s sun?

Original link: https://hfdavidyu.com/2022/07/14/super-moon-align/ A friend asked me why NASA’s website says “Earth, Moon and sun are all in a line”? In fact, I wrote an article seven years ago, “Little Knowledge of the Moon: The Moon Is Overcast and Clear”, and I will explain it again now. This article is reprinted from: https://hfdavidyu.com/2022/07/14/super-moon-align/ This site …

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Gravity Lens by James Webb

Original link: https://hfdavidyu.com/2022/07/13/james-webb%E7%9A%84%E9%87%8D%E5%8A%9B%E9%80%8F%E9%8F%A1 / Force lensing confirms that Einstein’s general theory of relativity is the most correct theory of gravity to date. The new generation of the James Webb Space Telescope, with its higher-resolution images, can provide astronomers with details never before seen. The ability to see more distant galaxies more closely will help scientists …

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Buzz Lightyear and the Physics of Kitty

Original link: https://hfdavidyu.com/2022/06/24/buzz-lightyear/ This time Buzz Lightyear is a real space fighter who travels through the universe. Finally, he is not a “light bulb boy” but a real laser gun, and the button on his chest is finally not a line recorder but an invisible device. This article is reprinted from: https://hfdavidyu.com/2022/06/24/buzz-lightyear/ This site is …

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