Answer Happy

Recall that 600 million tons of hydrogen fuel are consumed in the sun every second. What portion of this 600 million tons of material is lost, and converted directly into energy? a. O tons ob. 600 million tons Oc596 million tons tons od 4 million tons

Consider a B-spectral type star with approximately 10 solar masses. After it consumes all of its core hydrogen fuel, as it enters its next evolutionary phase, where will we find it on the H-R Diagram? Select one: O a. it remains in the same location on the main sequence until it has a carbon-oxygen core ob. it moves to the bottom left region of the H-R Diagram O c. it moves lower (or further down) along the main-sequence O d. it moves to the upper right region of the HR Diagram