Goodchild said they "come in love to help us and our planet move to a new higher vibration of love".
Bookies William Hill are taking it seriously enough to temporarily suspend betting on proof of the existence of intelligent alien life
"This is the first time that an Internet phenomenon has affected our business," the Daily Star quoted William Hill spokesman Rupert Adams, as saying.
"We have always been apprehensive of space based bets ever since we paid out the equivalent of millions when Neil Armstrong landed on the moon in 1969," Adams added.
"We now have seven-figure liabilities if the ship does appear. We are slightly nervous but hopeful that Blossom is proved incorrect. We will be keeping our eyes on the skies over the next 24 hours," Adams said.
Bookies are set to lose millions if the prediction is accurate.