Arecibo Interstellar Message tee shirt vintage astronaut t shirt Considered one of the world's

Considered one of the world's foremost destinations for wildlife-viewing

at 11:15 EDT on 14 June 2008

1988 on a four-day mission

This shirt is Inspired by the Apollo 13 insignia

Arecibo Interstellar Message tee shirt vintage astronaut t shirt Considered one of the world'sThe Arecibo Interstellar Message On Nov. 16, 1974, a radio signal was transmitted from the Arecibo Observatory to globular cluster M13, about 25. 000 light years distant, far from the plane of the Milky Way Galaxy. The signal contained 1. 679 bits of information. But 1. 679 = 73 x 23, the product of two prime numbers, suggesting that the bits be arranged in a 73 x23 array, which yields the image. The top row establishes a binary counting convention;