From NASAJPL http://status.hackerposse.com/url/23419 on Twitter: Today marks the astronomical end of winter and the #FirstDayOfSpring in the Northern Hemisphere. This evening, look up to see Mars and the bright star, Aldebaran, appearing at their closest to each other (under 7-degrees apart). More skywatching tips: http://status.hackerposse.com/url/23420 http://status.hac…