Why isn't the space within our solar system or the Milky Way expanding according to Hubble's Law?
A) Hubble's law of expansion applies only to the space between galaxies.
B) As we are inside our solar system and the Milky Way, we cannot observe their expansion.
C) The gravity exerted by the solar system and the Milky Way is strong enough to hold them together against the expansion of the universe.
D) The universe is not old enough for the solar system or Milky Way to have begun their expansion.
Question 2
It takes ________ years for the sun to progress through one sunspot cycle, wherein sunspots appear at high latitudes, shift to lower and lower latitude, then return to high latitudes. Refer to the graph above.
A) about 10 years
B) about 110 years
C) about 1 year
D) This figure cannot be used to answer this question.
Procedures and Diagnostic Tests Related to the Female Reproductive System
The respiratory system.
Development of the Digestive System "تطوير الجهاز الهضمي"
Development of the Endocrine System
Incomplete Digestive System
Respiratory system of a bird.