For the first time in decades, NASA is about to open some pristine moon rocks collected by Apollo astronauts.
The "Genesis Rock," a 4.4 billion-year-old anorthosite sample approximately 2 inches in length, brought back by Apollo 15 and used to determine the moon was formed by a giant impact, is lit inside a pressurized nitrogen-filled examination case in the lunar lab at the NASA Johnson Space Center Monday, June 17, 2019, in Houston.
What better way to mark this summer’s 50th anniversary of humanity’s first footsteps on the moon than by sharing a bit of the lunar loot. With the golden anniversary of Neil Armstrong and Buzz Aldrin’s feat fast approaching — their lunar module Eagle landed July 20, 1969, on the Sea of Tranquility — the moon is red-hot again.
Some of the soil and bits of rock were vacuum-packed on the moon — and never exposed to Earth’s atmosphere — or frozen or stored in gaseous helium following splashdown and then left untouched. The lab’s staff is now trying to figure out how best to remove the samples from their tubes and other containers without contaminating or spoiling anything. They’re practicing with mock-up equipment and pretend lunar dirt.“We can do more with a milligram than we could do with a gram back then.
“Fifty years later, we’re still learning new things ... incredible,” said the lab’s Charis Krysher, holding a clear acrylic marble embedded with chips of Apollo 11 moon rock in her gloved hand. Andrea Mosie, who’s worked with the Apollo moon rocks for 44 years and was a high school intern at Johnson Space Center in July 1969, remembers the Polaroid photos and handwritten notes once accompanying each sample. She sometimes gets emotional when talking to children about the moonshots and does her best to dispel any notion that the rocks aren’t from the moon and the lunar landings never happened.
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