Comet Pan-STARRS, also known as comet C/2025 R3 (Pan-STARRS), is now visible before sunrise. Here’s how, when and where to see it on Tuesday, April 21. Topline Can you tell the difference between a meteor — also called a “shooting star” — and a comet? Before sunrise on Tuesday, April 21, is when to test your observing skill when comet C/2025 R3 (Pan-STARRS) appears low on the eastern horizon — just ... [2337 chars]
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