The spectral type that denotes the coolest regular star is . Objects cooler than this are not considered stars, but are given the name . These objects are very hard to observe because they are very faint in visible light, and put out most of their energy as . Eventually, new spectral types were used for these objects; the warmest of them are given spectral type __, while the coolest of them are given spectral type ___

harry byrd declared organized resistance by southern states would prevent racial integration.

he made 11 calls in one day

when two balls of the different masses are dropped from equal height, they reach the ground at the same time .this is because they experience the same acceleration.

the acceleration is independent of mass.

thus when they are dropped they will always maintain the same velocity and travel the same distance (neglect air resistance of course) at the same time.