Write the word True if the statement is correct and False if it is not.

16. was Isaac Newton who concluded that earth was a sphere.

17. The moons shadow is bigger than the earth's shadow,

18 Lunar eclipse happens when the earth's shadows falls on the moon.

19. When the moon is completely within the umbra it becomes totally dark.

20. a total lunar eclipse occurs when only a portion of the moon moves into Earth's umbra​