25 Questions About Lunar Eclipse

Q1. ----- occurs when three heavenly bodies Sun, Moon and Earth come into line so that one blocks out the other.
(A) Solar Eclipse
(B) Lunar Eclipse
(C) Eclipse
(D) None of them
Ans: (C) Eclipse
Q2. When the Earth comes in between the Sun and the Moon, it casts its shadow on the ----- causing a Lunar Eclipse.
(A) Sun
(B) Moon
(C) Earth
(D) Stars
Ans: (B) Moon
Q3. Lunar Eclipse is caused when the -----
(A) Moon comes between the Sun and the Earth
(B) Earth comes between the Sun and the Moon
(C) Sun comes between the Earth and the Moon
(D) None of them
Ans: (B) Earth comes between the Sun and the Moon
Q4. Lunar Eclipse occurs on a -----
(A) New Moon
(B) Half Moon
(C) Full Moon
(D) Quarter Moon
Ans: (C) Full Moon
Q5. How many types of Lunar Eclipse are?
(A) 1
(B) 2
(C) 3
(D) 4
Ans: (C) 3
Total, Partial and Penumbral
Q6. In ----- Earth's shadow completely covers the Moon.
(A) Total Lunar Eclipse
(B) Partial Lunar Eclipse
(C) Penumbral Lunar Eclipse
(D) None of them
Ans: (A) Total Lunar Eclipse
Q7. A ----- Lunar Eclipse can happen only when the Sun, Earth and Moon are perfectly lined up.
(A) Total
(B) Partial
(C) Penumbral
(D) All of them
Ans: (A) Total
Q8. Earth casts ----- that fall on the Moon during a Lunar Eclipse.
(A) One Shadow
(B) Two Shadows
(C) Dim Shadow
(D) No Shadow
Ans: (B) Two Shadows
The umbra is a full, dark shadow. The penumbra is a partial outer shadow.
Q9. The Moon passes through these shadows in ----- stages.
(A) 1
(B) 2
(C) 3
(D) 4
Ans: (B) 2
The initial and final stages — when the moon is in the penumbral shadow — are not so noticeable, so the best part of an eclipse is during the middle of the event, when the moon is in the umbral shadow.
Q10. In ----- Earth's full (Umbral) shadow falls on the Moon.
(A) Total Lunar Eclipse
(B) Partial Lunar Eclipse
(C) Penumbral Lunar Eclipse
(D) None of them
Ans: (A) Total Lunar Eclipse
Q11. During Sun, Earth and moon are not quite perfectly aligned, and Earth's shadow appears to take a bite out of the Moon.
(A) Total Lunar Eclipse
(B) Partial Lunar Eclipse
(C) Penumbral Lunar Eclipse
(D) None of them
Ans: (B) Partial Lunar Eclipse
Q12. The Moon may turn red during ----- Lunar Eclipse.
(A) Total
(B) Partial
(C) Penumbral
(D) All of them
Ans: (A) Total
The red moon is possible because while the moon is in total shadow, some light from the sun passes through Earth's atmosphere and is bent toward the moon. While other colors in the spectrum are blocked and scattered by Earth's atmosphere, red light tends to make it through easier.
Q13. A Total Lunar Eclipse occurs when the entire Moon enters the Earth's -----
(A) Umbra
(B) Penumbra
(C) Both of them
(D) None of them
Ans: (A) Umbra
Q14. A Partial Lunar Eclipse occurs when only a portion of the Moon enters Earth's -----
(A) Umbra
(B) Penumbra
(C) Both of them
(D) None of them
Ans: (A) Umbra
Q15. A Penumbral Lunar Eclipse occurs when the Moon passes through Earth's -----
(A) Umbra
(B) Penumbra
(C) Both of them
(D) None of them
Ans: (B) Penumbra
Q16. A ----- is a Total Lunar Eclipse during which the Moon passes through the centre of Earth's shadow, contacting the antisolar point.
(A) Central Lunar Eclipse
(B) Penumbral Lunar Eclipse
(C) Partial Lunar Eclipse
(D) Total Lunar Eclipse
Ans: (A) Central Lunar Eclipse
Q17. Lunar Eclipse does not occur every month because -----
(A) The Sun's orbit is not always in the same plane as the Moon
(B) The Moon's orbit is not all the time in the same plane as the Earth
(C) The Moon resolves at a slower speed than the Earth
(D) None of them
Ans: (B) The Moon's orbit is not all the time in the same plane as the Earth
Q18. Moon has been inching away from Earth by about ----- per year.
(A) 1 inch
(B) 1.5 inches
(C) 1.4 inches
(D) 1.6 inches
Ans: (D) 1.6 inches, or 4 centimeters
Q19. What is called the phenomenon when both the Sun and an eclipsed Moon are observed at the same time?
Ans: Selenelion or Selenehelion
Q20. What are called the phases during a Total Lunar Eclipse?
Ans: P1 (First contact): Beginning of the penumbral eclipse. Earth's penumbra touches the Moon's outer limb.
U1 (Second contact): Beginning of the partial eclipse. Earth's umbra touches the Moon's outer limb.
U2 (Third contact): Beginning of the total eclipse. The Moon's surface is entirely within Earth's umbra.
Greatest eclipse: The peak stage of the total eclipse. The Moon is at its closest to the center of Earth's umbra.
U3 (Fourth contact): End of the total eclipse. The Moon's outer limb exits Earth's umbra.
U4 (Fifth contact): End of the partial eclipse. Earth's umbra leaves the Moon's surface.
P4 (Sixth contact): End of the penumbral eclipse. Earth's penumbra no longer makes contact with the Moon.
Q21. During the 21st century, Earth will experience a total of ----- Lunar Eclipses, according to the space agency.
(A) 200
(B) 225
(C) 230
(D) 228
Ans: (D) 228
Q22. In any one calendar year, the maximum number of Eclipses is -----
(A) Two Solar and Two Lunar
(B) Three Solar and Two Lunar
(C) Three Solar and Three Lunar
(D) Four Solar and Three Lunar
Ans: (D) Four Solar and Three Lunar
Q23. How to watch a Lunar Eclipse?
Ans: Simply go out, look up and enjoy. You don't need a telescope or any other special equipment.
Q24. What is the difference between a Lunar Eclipse and a Solar Eclipse?
Ans: A Solar Eclipse is an Eclipse of the Sun. It happens when the Moon passes between the Earth and the Sun. This is only possible when the Moon is in the New Moon phase.
A Lunar Eclipse is an Eclipse of the Moon. It happens when the Earth passes between the Sun and the Moon. This is only possible when the Moon is in the Full Moon phase.
Q25. Which prayer is offered at the time of Lunar Eclipse?
(A) Namaz-e-Kasoof
(B) Namaz-e-Khasoof
(C) Namaz-e-Istasqa
(D) Namaz-e-Ishraq
Ans: (B) Namaz-e-Khasoof