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  • apollo 11_HERO

    She Rewrote the Moon’s Origin Story

    The Apollo missions were a giant leap for science.

  • Annular eclipse

    The Search for Eclipses as Perfect as Earth’s

    This classic Facts So Romantic post was originally published in September, 2013. Roughly twice a year, the apparent positions of sun and moon coincide, and a fortunate few observers are treated to a solar eclipse. Watching such an event provides the opportunity to contemplate a strange coincidence: From the surface of Earth, the apparent sizes […]

  • big ol collision

    The Genetics of the Earth and Moon

    Imagine that two very similar-looking neighbors undergo a genetic test. The exam shows that the pair’s genetic fingerprints are virtually identical. They feel a flash of shock and excitement. What does this mean? Could they be long-lost twins, separated in a hospital mixup? The Earth and Moon share a similar issue, one that poses a […]

  • Nebra Sky Disk

    The Amazing Sky Calendar That Ancients Used to Track Seasons

    The Nebra Sky Disk photographed in Basel, Switzerland, in 2006Dbachmann via Wikipedia   Henry Westphal is tired. It’s July 4, 1999, a Sunday. He and a friend are climbing the Mittelberg or “Central Hill,” a small mountain near Nebra, in central Germany. Both men know of ancient ruins located here. Equipped with two metal detectors, […]

  • Moon_HERO

    Your Brain Can’t Handle the Moon

    How the moon stirs tension between your conscious and subconscious minds.

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    Hunting for Eclipses as Perfect as Earth’s

    Roughly twice a year, the apparent positions of Sun and Moon coincide, and a fortunate few observers are treated to a solar eclipse. Watching such an event provides the opportunity to contemplate a strange coincidence: From the surface of Earth, the apparent sizes of the Sun and Moon in the sky are nearly equal. The […]

  • Lunar Adventures hero

    Space Travel for Everyone: The Intergalactic Travel Bureau

    Trudging through the mire of midtown Manhattan in the middle of a July heat wave makes you long for relief from your earthly trials—and at the corner of 8th Avenue and 37th Street last week, you could find one. Nautilus popped in to the Intergalactic Travel Bureau, a pop-up shop promoting moon-hopping, sun-surfing, and all forms […]

  • As_Earth_Turns_HERO2_1280x376

    As the Earth Turns

    Whether measured in milliseconds or megayears, the world is in constant motion.

  • Aldrin by Armstrong Apollo 11

    44 Years of Debating the First Words Ever Spoken on the Moon

    Perhaps no recorded phrase has been so heavily analyzed, so dredged for missing information, as Neil Armstrong’s words when he took his first step on the Moon. In case you’ve been living under a rock for the last 40-odd years, they were (drumroll), “One small step for man, one giant leap for mankind.” Or at […]