space-birthday

Space Birthday

Do you know how many Mars years old you are?

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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:
You need to enter the year correctly - your Jupiter birthday doesn't fall on the same day each year, in fact most years you don't even have one!

Celebrity Birthdays

 Leonard Nimoy turns 88 Earth years old on the 26th March, 2019. Leonard Nimoy is most famous for his role as the Vulcan Spock in Star Trek. Links: Amazon, Wikipedia, Star Trek on Amazon, Other Space Birthdays For Leonard Nimoy
 Isaac Asimov turns 412 Mercury years old on the 26th March, 2019. Isaac Asimov was a science fiction author famous for his Robots and Foundation series of stories. Links: Amazon, Wikipedia, Other Space Birthdays For Isaac Asimov
 Johannes Kepler turns 727 Venus years old on the 30th March, 2019. Kepler made very careful observations of the planets, and discovered Kepler's laws of planetary motion, which helped Isaac Newton develop his theory of gravity. Links: Wikipedia, Other Space Birthdays For Johannes Kepler
 René Descartes turns 423 Earth years old on the 31st March, 2019. 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 Space Birthdays For René Descartes
 Douglas Adams turns 109 Venus years old on the 1st April, 2019. Douglas Adams wrote the famous Hitch Hiker "trilogy", in which the unfortunate Arthur Dent bounces through space and time like a billiard ball.. Links: Amazon, Wikipedia, Official Website, Other Space Birthdays For Douglas Adams
 Johannes Kepler turns 1857 Mercury years old on the 1st April, 2019. Kepler made very careful observations of the planets, and discovered Kepler's laws of planetary motion, which helped Isaac Newton develop his theory of gravity. Links: Wikipedia, Other Space Birthdays For Johannes Kepler
 Buzz Aldrin turns 145 Venus years old on the 5th April, 2019. Buzz Aldrin was the second person to set foot on the moon. He also flew on one of the Gemini missions.. Links: Amazon, Wikipedia, Official Website, Other Space Birthdays For Buzz Aldrin
 Robin Williams turns 36 Mars years old on the 6th April, 2019. Robin Williams was a well-loved comedian and film actor, who started his rise to fame as the alien Mork in Mork and Mindy. Links: Amazon, Wikipedia, Other Space Birthdays For Robin Williams
 Asaph Hall turns 308 Venus years old on the 10th April, 2019. Asaph Hall was an American astronomer who discovered the two moons of Mars, Phobos and Deimos. Links: Wikipedia, Other Space Birthdays For Asaph Hall
 Galileo Galilei turns 242 Mars years old on the 17th April, 2019. Galileo brought astronomy many leaps forward with his discoveries, including the discovery of the moons of Jupiter. Links: Amazon, Wikipedia, Other Space Birthdays For Galileo Galilei

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