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
Habitat corridor found in Banff National Park.
The insect family Coenagrionidae is found in the order Odonata and the suborder Zygoptera.
Hugging Galaxy
Four approaches to studying the evolution of human behavior.
Passive touch in center of abdomen as finishing technique. Place a hand gently in the center of the ...
Physical distance versus recombination distance on human male and female chromosome 19