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Your Age on Other Worlds. Want to melt those years away? Travel to an outer planet! <div class="js-required"><hr> This Page requires a Javascript capable browser <hr></div> Fill in your birthdate below in the space indicated. (Note you must enter the year as a 4-digit number!) Click on the "Calculate" button. The Days (And Years) Of Our Lives Looking at the numbers above, you'll immediately notice that you are different ages on the different planets.

The earth is in motion. The top-like rotation of the earth on its axis is how we define the day. The revolution of the earth around the sun is how we define the year. We all learn in grade school that the planets move at differing rates around the sun. Why the huge differences in periods? Johannes Kepler Tycho Brahe Kepler briefly worked with the great Danish observational astronomer, Tycho Brahe.

Here you see a planet in a very elliptical orbit. Kepler's third law is the one that interests us the most. The Gravity Of The Situation Isaac Newton ©2000 Ron Hipschman. We Choose the Moon: Pre-launch. Spacewalk - the blue sky below us. Blue BathSTS-116 Mission Specialists Robert L. Curbeam, Jr. (left) and Christer Fuglesang participate in the first of the mission’s three planned sessions of extravehicular activity as construction resumes on the International Space Station.

Spacewalks – Blue Sky: 2006 credit: NASA Breathtaking views of Spacewalks with our blue planet below. Space Shuttle Discovery made its last appearance to ISS and the Astronauts had a few Spacewalks. Facts: Extra-vehicular activity (EVA) is work done by an astronaut away from the Earth, and outside of a spacecraft. Hint: Use “J” and “K” keys to navigate from picture to picture. Hello! Space, Horizon, Endeavour Backdropped by the blackness of space and Earth’s horizon, Space Shuttle Endeavour, docked to the Pressurized Mating Adapter on the International Space Station, is featured in this photograph taken during the mission’s first planned spacewalk. Blue Aurora Borealis Spacewalks – Blue Sky: credit: Unkown Astronaut Robert L.

Astronaut Stephen K. Stephen Hawking asks big questions about the universe. Alien-contact.jpg (JPEG Image, 698x1899 pixels) - Scaled (45.