"On my 93rd birthday & the day I will also be honored by Living Legends of Aviation I am pleased to announce that my longtime love Dr. Anca Faur & I have tied the knot.We were joined in holy matrimony in a small private ceremony in Los Angeles & are as excited as eloping teenagers," the former astronaut wrote on Twitter.

Since being shared, Mr Alrdrin's post has accumulated more than 22,000 likes and over 1.8 million views. In the comment section, several users congratulated the couple and jokingly wrote, "you must be over the moon!".

"Happy birthday, Buzz, and congratulations on your marriage. I'm thrilled for you. As always, you did it in style," wrote one user. "WOW! Congratulations Colonel Aldrin! Life begins at 93! All the best," said another.

A third user commented, "Congratulations young man! Over the Moon again!!" while a fourth added, "My Man. Landing on the moon comes second to landing Dr. Faur. Much happiness to you both."