April 11 – Piers Sellers: British Astronaut

Piers John Sellers was born today in 1955.  Who?  Good question.  Sellers is a member of a group even smaller than the one comprising people who have been to the Moon: he’s a British astronaut.   I know of only seven potential members of this community, and nearly all of those have dual nationality.

Piers Sellers: British-born astronaut (image credit: NASA)

Piers Sellers: British-born astronaut (image credit: NASA)

Because NASA only wanted Americans to fly their shuttles at the time (quite understandable) Sellers had to become a naturalized US citizen in 1991 in order to have his job application considered.  But, even so, he was born in Sussex, went to school in Kent, flew for the RAF and studied in Edinburgh.  So he’s still British.

Sellers made three shuttle flights: STS-112 (Atlantis, October 2002), STS-121 (Discovery, July 2006), and STS-132 (Atlantis again, May 2010). He spent over 35 days in space, and performed 6 EVAs (spacewalks).


1878  –  Asteroid 187 Lamberta was discovered by the Corsican astronomer Jérôme Eugène Coggia.  It was named after Johann Heinrich Lambert, the mathematician who proved that pi is an irrational number.  Lamberta is a carbonaceous (C-type) main belt asteroid of approximately 131 km diameter.


Asteroid 530 Turandot was discovered by renowned astrophotographer Max Wolf from his observatory in Heidelberg on April 11, 1904. It is an “F-type”, a spectral class very similar to the carbonaceous B-types, and classified with them in the C-group. According to IRAS data in the JPL Small-Body Database Browser, Turandot is approximately 85 km in diameter.


1970  –   You’ve probably seen the film, and there’s loads been written about it, so I won’t dwell on this, but today was the launch day, in 1970, of the ill-fated Apollo 13.

Apollo 13 Crew

Apollo 13 Crew

The crew of Apollo 13 were Jim Lovell (in his fourth and final spaceflight), Jack Swigert and Fred Haise (pictured in that order from left to right in the photo).


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