Science One night I noticed a star changing colors and moving perceptibly. But through binoculars, a few dimmer stars in the same field appeared steady. The behavior continued throughout the night, but not a couple of nights later. Why?
Science How are so many exoplanets detected via transits, while transits of Mercury and Venus are so rare? Do all the chance transit alignments fit statistically?
Science, Solar System The processed images from Juno are spectacular, but they don’t resemble previous images of Jupiter. Why are they so different from those returned by earlier missions?
