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Cockroaches and Apollo 11 moon dust they were fed up for auction

May 26, 2022

— For sale: One small sample of the moon brought back to Earth in 1969 by the Apollo 11 astronauts, the first humans to walk on the lunar surface.

Condition: Well-traveled and once digested. The dust was carefully extracted from the stomachs of cockroaches. Three of the insects are included with the lot.

That is, more or less, what is now being offered by RR Auction, a New Hampshire-based firm that specializes in space memorabilia. The cockroach-consumed moon dust is among the highlights of RR's "Remarkable Rarities" auction, which opened for bids on Thursday (May 26) and runs through June 23.

"Whenever we represent something from Apollo 11 it is obviously thrilling because it is the most important mission, but when you get something like cockroaches that were fed lunar material, it just shows how diverse the Apollo program was," Bobby Livingston, RR Auction executive vice president, told collectSPACE. "For any of us who were 12 or 13 years old and had a science class, this is not at all 'icky.' This is incredible."

Moon bugs

To understand how and why some of the moon ended up in the digestive tracks of Blattellas germanica, or German cockroaches, one needs a brief history on moon bugs.

In the lead up to the first mission to land humans on the moon, scientists were not entirely sure what the astronauts would encounter. For example, though robotic probes had been sent ahead to test landing on the lunar surface, there were some mission planners who were concerned that the lander or the astronauts would sink into a quicksand-like, thick layer of soil that was blanketing the moon.

As such, tethers were designed and other precautions were devised to make sure that Apollo 11 crewmates Neil Armstrong and Buzz Aldrin could make a hasty exit off of the moon if needed.

Similarly, while most biologists were absolutely certain that the moon was devoid of any indigenous life, they could not entirely rule out that the astronauts would not bring back germs — or "moon bugs" — that could threaten all life on Earth. So the crew, their spacecraft and everything that returned with them were quarantined for 21 days beginning from the moment they left the moon through weeks after their triumphant splashdown.

Inside the Lunar Receiving Laboratory, a special facility that NASA built to isolate the moon men and material from the outside world, the astronauts underwent medical exams while a menagerie of invertebrate creatures — from fish to mice to, yes, cockroaches — were exposed to moon rocks and dust to see how they would react.

Roughly 10 percent of the 47.5 pounds (22 kg) of moon rocks brought back by the Apollo 11 mission was allocated for the destructive tests. Once fed to the fish and insects, no one expected to see that moon material again.

Prize inside

No one, that is, except Marion Brooks (later Brooks-Wallace), an entomologist from the University of St. Paul who was contracted by NASA to further study the moon dust-drunk cockroaches. Although the quarantine period had expired with none of the animals (or astronauts) dying as a result of exposure to the moon, the space agency wanted a more complete understanding of any possible ill effects the extraterrestrial material might cause.

So while other researchers around the world waited to receive moon rocks and pristine moon dust for study, Brooks was the first to be trusted with lunar samples, albeit inside eight preserved cockroaches.

"Pickled cockroaches," she told the Minneapolis Tribune in 1969.

Though she described being able to see the moon dust inside the insects with the naked eye, Brooks dissected them to prepare tissue slides for microscopic study. She worked with a group of cockroaches that were fed a "half-and-half" diet of raw lunar regolith and regular food, alongside a set that ingested sterilized moon dirt.

"I found no evidence of infectious agents," she told the newspaper at the time, adding that she also found no signs the lunar soil was toxic or hazardous to the cockroaches.

Despite the clean bill of health, Brooks continued her studies, retaining the slides and cockroach carcasses.

Mounted moon mementos

Brooks retired from the university in 1986, but sometime before then, she took what remained of her lunar work — one of the tissue slides, a newspaper clipping describing her studies, a postcard of the Manned Spacecraft Center (today Johnson Space Center) in Houston, a replica of the Apollo 11 plaque left on the moon and a commemorative stamped envelope (or "cover") — and arranged them in a specimen mount.

At the center of the display, Brooks placed a small glass vial with "ground fines of lunar sample recovered from biological tests" and three of the preserved Blattella germanica cockroaches.

She then hung the mementos on a wall in her house, where it remained for many years. Brooks died at her home in 2007 at the age of 89.

Three years later, the sample display, together with two cases of "microscope slides prepared from cockroaches that were fed moon rock," for a total of 66 more slides, was sold at auction for $10,000 by the former Regency-Superior Galleries of Beverly Hills, California.

The vial inside the display has about 0.0014 ounces (40 mg) of material inside. In April of this year, Bonhams auctioned a microscopic sample of Apollo 11 moon dust — so small, it could not be weighed — for $504,375. In that case, the lunar samples had been released by NASA to a collector after a series of lawsuits.

As another point of reference, three tiny pebbles weighing a total of about 0.0007 ounces (0.2 grams) that were brought back from the moon in 1970 by the former Soviet Union's Luna 16 robotic probe was sold by Sotheby's for $855,000 in 2018.

RR Auction estimates that its lot, a resale of the Regency-Superior 2010 offering, will now sell for $400,000. Bidding opened on Thursday morning at $10,000.


Now up for bid: Cockroach carcasses and the Apollo 11 moon dust extracted from their stomachs, the result of a 1969 NASA biological test in search of dangerous "moon bugs." (RR Auction)

Entomologist Marion Brooks' specimen-mount display of her Apollo 11 lunar mementos, including three preserved cockroaches and a sample of the Apollo 11 moon dust removed from within them. (RR)

"Microscope slides prepared from cockroaches that were fed moon rock," as included in the auction lot. (RR Auction)

Magnified view of cockroach chyme containing "ground fines of lunar sample recovered from biological tests" after the Apollo 11 mission. (RR Auction)

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