In the sun, subsurface flows are 20-100 times slower than what is predicted in widely used theoretical models.
How do we decide whether to do safe research that is sure to make a small contribution to science or to pursue risky projects that could make a big difference?
What if type Ia supernova are not all made the same way? For the first time, a study links type Ia supernova explosions to their parent systems, uncovering evidence for two different ways to produce these purportedly “standard” explosions.
Kepler mission extended to 2016.
Of Kepler’s 2,321 planet candidates, many are in the “habitable zone.”