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Compound, or catadioptric, telescopes combine lenses and mirrors for a compact option, suitable for both planetary and ...
2d
Space.com on MSNThe summer 'shooting star' season starts this week with some minor showers. Here's how to see themEach summer, skywatchers around the world look forward to the famous Perseid meteor shower, but often overlook four lesser ...
The first of our showers is the Delta Aquarids, with a broad three-day maximum running from July 29 through 31.
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