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The day in numbers: 19 quadrillion

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CNN -- A British student says he's cracked a 19 quadrillion-digit long code that's been puzzling Nasa scientists for decades. Nasa have invited him to present his reach at a scientific conference in China.

19,342, 813,113,834,066,795,298,816: The number of digits in the code that student Cen Jung Tjhai says he's cracked. The code is used to evaluate photographic data beamed back from satellites in space.

1,500: The number of university computers Tjhai used to crack the code.

27: Tjhai isa youthful 27 and a PhD student at the University of Plymouth, southern England.

35 mm: The first picture of space was taken on an Ansco Autoset 35 mm camera by U.S. astronaut John Glenn.

1920: The year Edwin Hubble trained his telescope onto the cosmos.

1990: The year the Hubble Space Telescope was launched into space aboard the space shuttle Discovery.

569 kilometers: The height above the earth at which the Hubble telescope orbits.

97 minutes: The amount of time it takes for the Hubble telescope to orbit earth while taking images of space.

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