Contest // Topic of the week №53 // Is the earth round or flat?
Hello good evening. How are you all doing. Thank you @slon21veka for this contest.
The way that the sun sets at various times in various areas tells us that the Earth is a circle.
On the off chance that the Earth were level, shadows would be a similar length, paying little heed to area. This would imply that the sun is hitting all puts on Earth at a similar point, bringing about a similar shadow. Nonetheless, it just so happens, this isn't true. If we somehow happened to put two indistinguishable sticks in the ground in two better places on Earth, we'd see that the length of their shadows varies. This is on the grounds that the Earth is round, thus the manner in which the sun hits every area will be a piece unique.
This likewise clarifies why the sun sets at various times in various areas. The sun is in an alternate situation corresponding to various areas. Thus the circumstance of when it will bring down overhead and in the end vanish behind the skyline will change. This is additionally the explanation that various areas of the planet have different time regions. As one area of the planet is pointing toward the sun, one more on the contrary side of the Earth isn't. For instance, the time in New York, United States is 12 hours not quite the same as the time in Beijing, China. For areas of the planet that are nearer together, the distinction in time will be less.
During a lunar shroud, the Earth passes between the moon and the sun. Whenever that occurs, the sun projects Earth's shadow onto the moon. At the point when this occurs, you can really see the Earth's shadow in the event that you gaze toward the moon. Assuming you do this, you'll see that there is a round shadow, not a level one.
A subsequent inquiry may be whether the Earth could be level and round, similar to a hotcake. This would make the shadow on the moon be round, yet the state of the Earth to be level. In the event that the Earth were level however turning, its shape would be different for shrouds at various times or night. Now and again apparently just as a line. The remainder of the time apparently like an oval or circle as it's turning. In any case, we realize that the shadow the Earth projects on the moon during a shroud has been round, in any case all of the time of season of day. This upholds the possibility that the Earth is a circle.
These are only a couple of testable ways we realize that the Earth is round. Would you be able to consider alternate ways that show the Earth is round and not level?
Thank you all for reading.