During a solar eclipse, which order of Sun, Moon, and Earth is aligned?

During a solar eclipse, which order of Sun, Moon, and Earth is aligned?

• A. Sun-Earth-Moon
• B. Sun-Moon-Earth
• C. Earth-Sun-Moon
• D. Moon-Sun-Earth

Answer: (B)

A solar eclipse happens when the Moon moves directly between the Sun and the Earth, lining up along the same straight path that sunlight travels. In this arrangement the Sun, the Moon, and the Earth sit on the same line, with the Moon occupying the space between the Sun and the Earth. That exact order—Sun first, then the Moon, then the Earth—allows the Moon to block or partially block the Sun’s light from reaching parts of the Earth, which is why we observe an eclipse. The other described sequences place one body in a position that doesn’t align the Sun’s light with the Earth in the way needed for an eclipse to be seen, so they don’t produce the solar eclipse phenomenon. This alignment also occurs near the new moon phase and can result in total, partial, or annular eclipses depending on the distances involved.

A solar eclipse happens when the Moon moves directly between the Sun and the Earth, lining up along the same straight path that sunlight travels. In this arrangement the Sun, the Moon, and the Earth sit on the same line, with the Moon occupying the space between the Sun and the Earth. That exact order—Sun first, then the Moon, then the Earth—allows the Moon to block or partially block the Sun’s light from reaching parts of the Earth, which is why we observe an eclipse. The other described sequences place one body in a position that doesn’t align the Sun’s light with the Earth in the way needed for an eclipse to be seen, so they don’t produce the solar eclipse phenomenon. This alignment also occurs near the new moon phase and can result in total, partial, or annular eclipses depending on the distances involved.