By Michael Hartley
If you were born on Mars, how old would you be today? Or how many times has Jupiter gone around the sun since you were born? What's your age in Venusian years? This page can tell you! Enter your and your friends' birthdays using the form below. The information will only be stored on this computer, not on the server, so don't worry! (PS - I also have some printable space birthday worksheets you can download if you want to do these calculations yourself.)
- Your/your friend's name:
- Your/your friend's birthday:
René Descartes' Birthdays
Descartes' work on mathematics was a great inspiration to Isaac Newton. Descartes made the famous quote "I think, therefore I am" (Cogito Ergo Sum). Links: Amazon, Wikipedia, Other Celebrity Space Birthdays
René Descartes turns 226 Mars years old on the 27th April, 2021. 
René Descartes turns 1765 Mercury years old on the 7th May, 2021. 
René Descartes turns 691 Venus years old on the 10th May, 2021. 
René Descartes turns 425 Earth years old on the 31st March, 2022. 
René Descartes turns 36 Jupiter years old on the 10th March, 2023. 
René Descartes turns 15 Saturn years old on the 10th February, 2038. 
René Descartes turns 3 Neptune years old on the 18th August, 2090. 
René Descartes turns 6 Uranus years old on the 13th March, 2102. If you like what you've just read, sign up for this site's free newsletters:
