Pulsar's wobble provides new Einstein test - 120 sec Read more:
http://space.newscientist.com/article/dn14254
The almost-perfect alignment of Earth's line of sight with the orbital plane of the double pulsar PSR J0737-3039A/B gives rise to an eclipse of pulsar A once per orbit as it moves behind pulsar B (Credit: McGill University/Daniel Cantin/DarwinDimensions) Auteur : newscientistvideo Tags:pulsargeneralrelativityeinstein
Huge Mars impact created solar system's largest crater - 6 sec Read more:
http://space.newscientist.com/article/mg19826624.700
An impact by an object more than half as wide as Mercury is thought to have created a crater that covers most of Mars's northern hemisphere (Courtesy of S Lombeyda/ M Marinova/ O Aharonson) Auteur : newscientistvideo Tags:marsimpactcrater