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  1. Moon - Wikipedia

    In geophysical terms, the Moon is a planetary-mass object or satellite planet. Its mass is 1.2% that of the Earth, and its diameter is 3,474 km (2,159 mi), roughly one-quarter of Earth's (about as wide as the …

  2. Earth's Moon - Science@NASA

    Dec 29, 2025 · The Moon makes Earth more livable, sets the rhythm of ocean tides, and keeps a record of our solar system's history. Explore NASA lunar science here.

  3. Moon - Craters, Highlands, Maria | Britannica

    Dec 26, 2025 · Moon - Craters, Highlands, Maria: The Moon is a spherical rocky body, probably with a small metallic core, revolving around Earth in a slightly eccentric orbit at a mean distance of about …

  4. Here's your 2026 guide to the top celestial moments | AP News

    Dec 28, 2025 · The moon and sun share top billing in 2026. Kicking off the year's cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years.

  5. Moon 101 - National Geographic Society

    What is the moon made of, and how did it form? Learn about the moon's violent origins, how its phases shaped the earliest calendars, and how humans first explored Earth's only natural satellite half a …

  6. Moon Phases 2026 – Lunar Calendar for Sacramento, California, USA

    The Moon phase calculator shows exact times of the various moon phases for Sacramento, California, USA in year 2026 or in other locations and years.

  7. Moon Facts - NASA Science

    Dec 17, 2025 · The Earth and Moon are tidally locked. Their rotations are so in sync we only see one side of the Moon. Humans didn't see the lunar far side until a Soviet spacecraft flew past in 1959. …

  8. The Moon: Complete Information & Live Data | TheSkyLive

    The Moon: Complete and live astronomy data, visibility information, sky charts, graphs, and tools for sky-watchers at all levels.

  9. Orbit of the Moon - Wikipedia

    The Moon orbits Earth in the prograde direction and completes one revolution relative to the Vernal Equinox and the fixed stars in about 27.3 days (a tropical month and a sidereal month), and one …

  10. Moon Phases and Lunar Calendar for Sacramento, CA

    Dec 4, 2025 · With our 2026 Moon Phase Calendar, you'll find the current Moon phase for tonight—plus, all the phases of the Moon for each day of the month.