Chelsea Partridge

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Mock Mars Mission: Learning New Skills for Red Planet Living

HANKSVILLE, Utah — I used to think traveling through time would require climbing into a blue police box or using some similar device. After a week …

2013: People of the year

Astronauts, pioneers, whistleblowers and, oh yes, some person called Higgs, we salute those who were on everyone's lips in 2013.<p><b>More amazing image galleries of the year:</b><p>The year in transport<p>The year in space<p>The year in design and architecture<p>The year in wildlife<p>The year in weather

APOD: A New Year's Crescent (2014 Jan 01) Image Credit & Copyright: Jay Ouellet Explanation: That's not the young crescent Moon poised above the western horizon at sunset. Instead it's Venus in a crescent phase, captured with a long telephoto lens from Quebec City, Canada, planet Earth on a chilly December 30th evening. The very bright celestial beacon is droping lower into the evening twilight every day. But it also grows larger in apparent size and becomes a steadily thinner crescent in binocular views as it heads toward an inferior conjunction, positioned between the Earth and the Sun on January 11. The next few evenings will see a young crescent Moon join the crescent Venus in the western twilight, though. Historically, the first observations of the phases of Venus were made by Galileo with his telescope in 1610, evidence consistent with the Copernican model of the Solar System, but not the Ptolemaic system. Starship Asterisk* • APOD Discussion Page #APOD

Today in science: Isaac Newton’s birthday

Born in 1643, Isaac Newton’s insights laid a foundation for our modern understanding of celestial motion, light and gravity.<p><b>January 4, 1643.</b> Isaac …