Why are we able to see the moon from the earth
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When the moon is over us in its orbit. We can see it because, it is reflecting light from the sun and it is close enough for the human eye to even pick up large details. Providing of course that sky is clear enough on that particular evening.
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It has to do with all of the below, and I guess, in this respect, they are all partial answers in their own right:
1)Your eyes allow you to sense light and create a coherent image in your brain which can be interpreted and understood.
2)Our atmosphere is mostly transparent, so on a cloudless or only partially cloudy day/night we can see objects which lie outside of our atmosphere, providing they are sufficiently bright.
3)The Moon exists, orbits the common centre of gravity (the Earth-Moon barycentre) and has an adequate angular size (due to a combination of its actual size and distance) for the optics in our eyes to resolve its disc.
4)The Sun emits so much visible light that not only the surface of the Earth, but the surfaces of many other objects in the Solar System, not least of all the Moon are illuminated.
5)The reflectivity of the Moon's surface, or ‘albedo’ means that although it is mostly quite a dark grey, enough of the Sun's light is reflected back towards Earth that a bright disc or partial disc can be seen.
1)Your eyes allow you to sense light and create a coherent image in your brain which can be interpreted and understood.
2)Our atmosphere is mostly transparent, so on a cloudless or only partially cloudy day/night we can see objects which lie outside of our atmosphere, providing they are sufficiently bright.
3)The Moon exists, orbits the common centre of gravity (the Earth-Moon barycentre) and has an adequate angular size (due to a combination of its actual size and distance) for the optics in our eyes to resolve its disc.
4)The Sun emits so much visible light that not only the surface of the Earth, but the surfaces of many other objects in the Solar System, not least of all the Moon are illuminated.
5)The reflectivity of the Moon's surface, or ‘albedo’ means that although it is mostly quite a dark grey, enough of the Sun's light is reflected back towards Earth that a bright disc or partial disc can be seen.
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