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

 Galileo Galilei turns 1891 Mercury years old on the 29th July, 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
 J. K. Rowling turns 54 Earth years old on the 31st July, 2019. J. K. Rowling became famous for her Harry Potter series of books, after being rejected by eight different publishers. Links: Amazon, Wikipedia, Official Website, Other Space Birthdays For J. K. Rowling
 Asaph Hall turns 788 Mercury years old on the 31st July, 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
 Marie Curie turns 630 Mercury years old on the 3rd August, 2019. Marie Curie was a scientist who studied radioactivity. She was the first person to win two Nobel prizes, and is still the only person ever to win two in two different disciplines. Links: Amazon, Wikipedia, Other Space Birthdays For Marie Curie
 Neil Armstrong turns 89 Earth years old on the 5th August, 2019. Neil Armstrong was the first human being to set foot on the moon. Links: Amazon, Wikipedia, NASA, Other Space Birthdays For Neil Armstrong
 William Shatner turns 3 Saturn years old on the 5th August, 2019. William Shatner is most famous for his role as Captain James T. Kirk, from Star Trek. Links: Amazon, Wikipedia, Other Space Birthdays For William Shatner
 Leonard Nimoy turns 3 Saturn years old on the 9th August, 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
 William Shatner turns 47 Mars years old on the 15th August, 2019. William Shatner is most famous for his role as Captain James T. Kirk, from Star Trek. Links: Amazon, Wikipedia, Other Space Birthdays For William Shatner
 Leonard Nimoy turns 47 Mars years old on the 19th August, 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
 Johannes Kepler turns 238 Mars years old on the 19th August, 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

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