For a mid-northern hemisphere observer, identify the phase of the moon if at sun

Question

For a mid-northern hemisphere observer, identify the phase of the moon if at sunset the moon is in the southeastern sky.

1.

The second ellipse is more elliptical than the original ellipse

What is the orbital period in seconds of an imaginary satellite orbiting just  above Earth's surface? Ignore friction with the atmosphere. What is the orbital period in minutes? Hints:  Earth's mass is  its radius is  and  for these mass and length units.

waning crescent third quarter waning gibbous waxing crescent new moon first quarter waxing gibbous O

Explanation / Answer

1)The answer is third quarter because when observed from northern part the moon in the southeastern region will give a quarter appearence.

2)The answer is full because when seeing from the moon,the same appearence is refelcted back to the earth as both are the same distance of view.

3)We cannot tell without more information because the eccentricity and the center points must be known clearly.

4)The answer is 3150 seconds,45 minutes.

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