A pattern of stars that has been named is called a constellation. Late at night, Carolyn saw the constellation named Leo, the li
on, in the eastern part of the sky. A drawing of Leo is shown below. Leo
Early the next morning before sunrise, Carolyn saw the same constellation in the western part of the sky. How could she see the same constellation in a different part of the sky?
A.
The stars revolve around the Earth once each month.
B.
The stars appear to move because the Earth rotates on its axis.
C.
There is more than one set of stars in the same pattern as Leo.
D.
The stars move in different directions every night.
The correct answers are B. Constellations can be used for navigational purposes, D. Constellations are used by astronomers to locate objects in the night sky., and E. Constellations are used by astronomers to locate objects in the night sky.
“The isomers butane and methyl propane have the same molecular formula and different properties”, this is because structural isomers usually have different properties to their parent.
