Egypt may be home to the world’s most famous mummies, but not the world’s oldest. That distinction belongs to Chile, where mummified remains predate their Egyptian counterparts by more than 2,000 years. Known as the Chinchorro mummies, these artificially preserved hunter-gatherers were first discovered just over a century ago in the Atacama Desert, the driest nonpolar desert in the world. Their relatively recent discovery is explained by the fact that they were not buried in ostentatious pyramids but rather — after being skinned and refurbished with natural materials — wrapped in reeds and placed in shallow, modest graves. It’s estimated that the oldest Chinchorro mummies date back a full 7,000 years. Some are now in museums, while others remain underground in land currently threatened by climate change, as rising humidity levels alter the famously dry conditions of the desert. 

A mummy once received a passport.

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In 1974 — 3,000 years after his death — the mummy of Ramses II was issued a valid passport in order to be flown from Egypt to Paris for restoration. Said document included a photo of the pharaoh’s face and listed his occupation as “King (deceased).”

Throughout history, many cultures mummified their dead. Among the most notable are the Chinese, Inca, and the Guanche people of the Canary Islands. UNESCO added the Chinchorro mummies and the settlement where they were found to the World Heritage list in July 2021, and there’s a museum devoted to them in the northern port city of Arica.

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On February 6, 1971, Alan Shepard took one small shot for golf and one giant swing for golfkind. An astronaut on the Apollo 14 landing, Shepard was also a golf enthusiast who decided to bring his hobby all the way to the moon — along with a makeshift club fashioned partly from a sample-collection device. He took two shots, claiming that the second went “miles and miles.” The United States Golf Association (USGA) later put the actual distance of his two strokes at about 24 yards and 40 yards, respectively.

Earth’s moon is the largest moon in the solar system.

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Ganymede, one of Jupiter’s moons, is the largest moon in the solar system. With a diameter of 3,270 miles, it’s even bigger than Mercury. Our moon, the fifth-largest, also ranks behind Titan (Saturn), Callisto, and Io (both Jupiter).

While not enough to land him a spot on the PGA Tour, those numbers are fairly impressive when you remember that the stiff spacesuit Shepard was wearing (in low gravity, no less) forced him to swing with one arm. And while those two golf balls remain on the moon, Shepard brought his club back, later donating it to the USGA Museum in Liberty Corner, New Jersey. Other objects now residing on the moon include photographs, a small gold olive branch, and a plaque that reads: “Here men from the planet Earth first set foot upon the Moon July 1969, A.D. We came in peace for all mankind.”

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When things heat up in July and August, you inevitably hear the phrase “dog days of summer.” No, this doesn’t have anything to do with canines lying around panting in the heat — instead, the phrase is a celestial reference. Sirius, the brightest star in the night sky, is nicknamed the “dog star” because it makes up the “eye” of the constellation Canis Major (Latin for “Greater Dog”). In Greek mythology, Canis Major is said to be a hunting dog who belongs to the legendary huntsman Orion. Cosmologically speaking, this relationship is fitting, because the three stars that make up the Orion’s Belt asterism point to the “dog star” in the southern sky.

Sirius is the closest star to Earth (excluding the sun).

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Sirius is the brightest star in the sky (except for our sun, of course), but it’s not the closest. That accolade belongs to Proxima Centauri, at only 4.246 light-years away. But light travels fast, and even the star closest to Earth is still some 25 trillion miles away.

The phrase “dog days of summer” actually refers to a specific period on the calendar, from July 3 until August 11. The ancient Greeks and Romans believed these “dog days” occurred when Sirius appeared to rise with the sun, which always occurred during the summer. The idea was that the immense luminosity of Sirius along with the sun’s heat somehow created summer’s scorching temperatures. Of course, we now know this doesn’t make much sense. For one thing, Sirius is much farther away from Earth than the sun is — like 50 trillion miles farther — so the star has absolutely no effect on Earth’s climate. For another, the dog days of summer are relative to where you live on Earth, appearing earlier in the year for those living farther south and later for those in the north. Also, the position of Sirius is subject to Earth’s wobbly rotation — meaning that in 13,000 years, Sirius will instead rise in midwinter rather than midsummer. So, no, “dog days of summer” isn’t an allusion to our cuddly canines, but a vestigial phrase derived from some 2,500-year-old astronomy.

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