What is declination? Discuss the degree of declination of the Moon and Sun relative to Earth’s equator. What are the effects of declination of the Moon and Sun on the tides?

Q: When does a first-quarter Moon rise and set?

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Q: Explain what do you mean by lunar gravity?

A: Lunar gravity is the acceleration due to  gravity on the surface of moon. The value of lunar gravity…

Q: How do centripetal forces and gravitation forces interact to produce the tides?

A: How do centripetal forces and gravitation forces interact to produce the tides?

Q: Does the fact that one side of Moon always faces Earth mean that the Moon rotates about its…

A: One side of the Moon always faces the Earth because the spinning period of the Moon is the same as…

Q: During the first and third quarter moon phases, there isn’t much difference between the ocean level…

A: The tides that occur during the first and third quarter moon phases is called neap tides. During…

Q: Throughout the lunar cycle when the moon is the highest, does the time become progressively earlier…

A: When the moon is in the general direction of the Sun, it is called new moon. At this point, it has…

Q: If the Moon is in the waning gibbous phase tonight, approximately how long will it be until the Moon…

A: between a full moon and New moon it takes 2 weeks time. During that process full moon becomes waning…

Q: If tonight the phase is waxing crescent when the Moon rises, what will be the phase one week from…

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Q: If the Moon rises at 6 pm on a particular day, then approximately what time will it rise 30 days…

A: Moon's  position keeps changing so moonrise occurs 50 minutes later than the day before.

Q: As seen from the Earth, which side of the Moon is illuminated during the waxing phases?

A: Required :   Which side of the Moon is illuminated during the waxing phases.

Q: Distinguish between an umbra and and a penumbra?

A: An umbra is the central innermost and darkest part of a shadow. It is where the light source is…

Q: How does the fact that the Moon’s orbit around the Earth has an eccentricity of about .055 explain…

A: Eccentricity of  moon determines the deviation of moon's orbital path from its elliptical orbital…

Q: What are the difference between the equinoxes and the solstices?

A: Earth revolve around sun and rotates around its own axis. It takes 24 hours to complete one rotation…

Q: what would atmospheric circulation would we predict if earth was spinning slower

A: The atmospheric circulation would effect, the warm air rises at the equator producing clouds and…

Q: How does moon's diameter compare with the distance between earth and the moon?

A: The diameter of the moon when compared with the distance between the distance between the earth and…

Q: )    In which lunar phase do solar eclipses occur?

A: A Solar Eclipse occurs when the New Moon moves between Earth and the Sun and the Moon casts a shadow…

Q: What is the altitude angle in degrees of the Sun for someone in Paris, France (49° N) on December…

A: The altitude angle is the angle of the Sun in reference to the ground it is shining on. When the Sun…

Q: On November 1 at 11:00 P.M., you look toward the eastern horizon and see the bright star Mintaka…

A: Solution :-   According to the question    November 1 at 11:00 P.M. we look toward the eastern…

Q: Do Earth and the Moon always cast shadows? What do we call the occurrence where one passes within…

A: Moon and Earth will always cast shadows. The shadows can be seen during the occurrence of eclipses.

Q: 3. If Earth didn't spin on its axis but still revolved around the Sun, would the Sun set on the…

A: To find : If the earth did not spin on its own axis, then the sun would set in which direction?

Q: describe the phases of the moon?

A: The phases of Moon are shown in the figure given below.

Q: What is retrogade precession?

A: There are two words here that is important to understand separately, one being the retrograde and…

Q: The phase of the moon you see depends on

A: The moon is a natural satellite of the Earth. This means that the moon revolves around the earth on…

Q: If the Moon sets just after the Sun, what phase is it in?

A: At new Moon phase, the Moon rises at sunrise and sets at sunset and therefore, from Earth, it is not…

Q: What is the difference between spring tide and neap tide?

A: The difference between spring and neap tides is to be illustrated.

Q: Only some of the people on the daytime side of Earth can witness a solar eclipse when it occurs,…

A: Because the shadow cast by the Moon upon Earth is very small (the effect of the penumbra),only some…

Q: When a "full" moon rises, the size appears to be larger than when it is directly overhead. Why?

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Q: Why does the moon appear in the daytime?

A: The Moon sometimes appears in the daytime as it is the closest object to Earth.

Q: Describe how the seasons would be different if the Earth's axis of rotation, rather than having its…

A: If the axis is at 0°, there would be no change in distance from the sun. So there would be no change…

Q: The Moon changes phase every how many days?

A: The moon completes one revolution around the earth in 27.3 days but the lunar phase cycle i.e.( from…

Q: Explain why eclipses do not occur every month.

A: Solar Eclipse occurs when moon passes between earth and sun . When moon is exactly aligned  between…

Q: How do we know that it takes the moon exactly 27 1/3 days to complete a 360° orbit of Earth (a…

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Q: Why does the moon rotate aroud the Sun, and is it important?

A: According to Newton  reason the planets ,moon orbit the Sun is related to why objects fall to Earth…