Comet C/2020 F3 (NEOWISE) shines bright in the morning sky near a tall mountain hemlock tree in Mount Rainier National Park, Washington. Comet NEOWISE is a long-period comet and its current orbital path will take about 6,800 years to complete. Its nucleus is about 3 miles (5 kilometers) across and is covered with sooty, dark particles left over from its formation near the birth of our solar system 4.6 billion years ago.
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