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:
Celebrity Birthdays
Asaph Hall turns 806 Mercury years old on the 30th November, 2023. 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 648 Mercury years old on the 3rd December, 2023. 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 Arthur C. Clarke turns 440 Mercury years old on the 6th December, 2023. Arthur C. Clarke was a science fiction author who dreamed of the time humanity would escape from planet earth and explore the galaxy. Links: Amazon, Wikipedia, Other Space Birthdays For Arthur C. Clarke William Shatner turns 385 Mercury years old on the 12th December, 2023. 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 Terry Pratchett turns 314 Mercury years old on the 13th December, 2023. Terry Pratchett is a British fantasy author, known and loved for his incredible Discworld series. Links: Amazon, Wikipedia, Official Website, Other Space Birthdays For Terry Pratchett Albert Einstein turns 601 Mercury years old on the 13th December, 2023. Einstein's theory of relativity helped explain some oddities of the orbit of Mercury, which had been puzzling astronomers since the days of Newton. Links: Amazon, Wikipedia, Other Space Birthdays For Albert Einstein 
Arthur C. Clarke turns 106 Earth years old on the 16th December, 2023. Arthur C. Clarke was a science fiction author who dreamed of the time humanity would escape from planet earth and explore the galaxy. Links: Amazon, Wikipedia, Other Space Birthdays For Arthur C. Clarke 
Marie Curie turns 83 Mars years old on the 18th December, 2023. 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 
Isaac Asimov turns 169 Venus years old on the 21st December, 2023. 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 Isaac Newton turns 381 Earth years old on the 25th December, 2023. Isaac Newton, amongst many other discoveries, developed a theory of gravity that helped explain how the planets move in their orbits. Links: Wikipedia, Other Space Birthdays For Isaac Newton If you like what you've just read, sign up for this site's free newsletters:
