The ecliptic, simply put, is the plane of Earth’s orbit around the Sun. It extends beyond that to include the seven other planets. The post What Is the Ecliptic? appeared first on Sky & Telescope.
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What Is a Quasar?
A quasar is a supermassive black hole gorging on gas in the heart of a distant galaxy. The post What Is a Quasar? appeared first on Sky & Telescope.
Read MoreWhat’s Up at Star Parties?
When amateur astronomers and their families plan a vacation, they are increasingly likely to plan it around a star party. The big amateur gatherings have been growing in recent years, and new ones devoted especially to dark-sky observing are sprouting all over. True deep-sky star parties — as opposed to the more traditional, general-interest conventions […] The post What's Up at Star Parties? appeared first on Sky & Telescope.
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