This AP file photo from 2010 shows a blue moon from Nairobi, Kenya. There will be a blue moon Friday.
This AP file photo from 2010 shows a blue moon from Nairobi, Kenya. There will be a blue moon Friday. Sayyid Azim AP
This AP file photo from 2010 shows a blue moon from Nairobi, Kenya. There will be a blue moon Friday. Sayyid Azim AP