Shapley found the distance to the center of the galaxy by studying the distance to open clusters.
a. True
b. False
Indicate whether the statement is true or false
Question 2
A ZAMS star evolves __________ and to the __________ on the H-R diagram because ________________.
a. downward, left, the core expands which causes the outer layers to expand b. upward, right, the core contracts which causes the outer layers to expand
c. upward, left, the core expands which causes the outer layers to contract d. downward, right, the core contracts which causes the outer layers to contract
Wombat scat, found near Cradle Mountain in Tasmania
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Capuchins use stones to crack open palm nuts in much the same way that chimpanzees in some populatio
Miocene apes were found throughout Europe, continental Asia, and Africa.
The inverse-square law and its effects. Doubling your distance away from a radioactive material ...
Me Studying and 5 Minutes Later