During summer the Northern Hemisphere is tilted towards the Sun so we get longer days and warmer weather.

BBC: Why the Moon is getting further away from Earth

It could take two days to get test results, and by then the organs would no longer be usable.

CNN: CDC: Man died of rabies from kidney transplant

But you get only 60 days to complete a rollover, and Dirks kept the money out of his IRA two weeks longer.

FORBES: Magazine Article

And it's possible space officials might decide that the longer, old-fashioned way -- allowing the crew to get its space legs over two days, however cramped they might be -- is preferable, depending on how this mission goes, Humphries said.

CNN: SHARE THIS