That there are such places on Earth where the Sun stays above the horizon for that long and then stays below the horizon for that long is because the Sun is not always above the equator of the Earth, because the rotation axis of the Earth does not make a right angle with the orbit of the Earth around the Sun.
Dear lizme66: Scattered fibroglandular densities means that you have areas of dense breast tissue. This is very common in young women but can remain in some women even after menopause. An asymmetric density means that there is something on the mammogram that does not look quite normal.ear lizme66: Scattered fibroglandular densities means that you have areas of dense breast tissue. This is very common in young women but can remain in some women even after menopause. An asymmetric density means that there is something on the mammogram that does not look quite normal.
Fibrocystic breast changes -- once called fibrocystic breast disease -- is a common noncancerous breast condition. More than half of all women have fibrocystic breasts at some point. Fibrocystic breast changes can occur at any age, but is most common in younger women of childbearing age.