astronomy.com
Tour the solar system: Neptune
Neptune lies about 2.8 billion miles (4.5 billion kilometers) from the Sun on average, and it's some 31,000 miles (50,000 km) wide — about 4 times as big across as Earth.
astronomy.com
Neptune lies about 2.8 billion miles (4.5 billion kilometers) from the Sun on average, and it's some 31,000 miles (50,000 km) wide — about 4 times as big across as Earth.
newsweek.com
sciencedaily.com
science.org
astronomy.com
Astronomy Magazine
https://www.astronomy.com › science › neptune
science.org
astronomy.com
Astronomy Magazine
https://www.astronomy.com › science › tour-the-solar-system-neptune
science.org
livescience.com
education.nationalgeographic.org
National Geographic Education
https://education.nationalgeographic.org › resource › neptune-101
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