14,988+ Questions · 21 Subjects · Free to Practice

MCQ Questions

Questions

Practice mode — a mixed feed of questions and articles for each subject. Prefer reading first? Browse the Articles index instead →

Articles

Study mode — the full article library for each subject, no practice questions mixed in. Want to practice instead? Browse Questions by subject →

Why don’t solar and lunar eclipses happen every month, even though they both depend on Sun-Earth-Moon alignment?

Please wait…

1. Why don’t solar and lunar eclipses happen every month, even though they both depend on Sun-Earth-Moon alignment?

The Moon’s orbit is slightly tilted relative to Earth’s orbit around the Sun, so a perfect alignment happens only occasionally

The Moon’s orbit is perfectly aligned with Earth’s orbit, so eclipses should occur every month but mysteriously don’t

Eclipses have no connection to the relative positions of the Sun, Earth, and Moon

The Sun’s position relative to Earth changes too rapidly for eclipses to align monthly

Loading…

MCQquestion.com

Free MCQ practice for UPSC and State competitive exams — 30,000+ questions across 21 subjects, with the reasoning behind every answer.