Tag - SPS beads

SPSs, LPSs and more, or what you need to know about corals
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SPSs, LPSs and more, or what you need to know about corals

Corals are marine animals classified as parasitoids. They live at shallow depths and are attached to the sea floor, forming […]

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The Baader Solar Filter: How to Choose the Right One for Your Telescope
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The Baader Solar Filter: How to Choose the Right One for Your Telescope
How can you tell if your telescope needs a solar filter? If you’re like many amateur astronomers, the answer to that question may be that I have no idea, but I’m pretty sure mine does! In reality, though, most telescopes don’t require such an accessory unless you plan on observing the sun directly or getting pictures of it.
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