Black or white ... white heads in consistent, cool conditions. The white comes from a lack of chlorophyll, the pigment that makes plant leaves green in reaction to sunlight. For this reason, farmers ...

Scroll down to get the Black and White filters. There are four different filters- B&W, B&W Cool, B&W Warm, and B&W High Contrast. Try each one of them and select the one which makes your picture ...

When they reach the end of their long evolutions, smaller stars—those up to eight times as massive as our own sun—typically ... years—a white dwarf cools until it becomes a black dwarf ...