Q. When the Moon completely covers the Sun, it is known as?
✅ Correct Answer: (B)
The Umbra
Explanation: During a solar eclipse, the Moon actually casts two shadows toward Earth. One shadow is called the umbra which becomes smaller as it reaches the Earth. This is the dark center of the Moon's shadow.
Explanation by: Mr. Dubey
During a solar eclipse, the Moon actually casts two shadows toward Earth. One shadow is called the umbra which becomes smaller as it reaches the Earth. This is the dark center of the Moon's shadow.