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00:00Oh, good to see you making clay earth for your school project.
00:13Oh no! I fell flat.
00:19Imagine, if that was the case for real.
00:25Hmm, wait a minute.
00:27This is a very interesting topic to explore.
00:31So friends, in today's episode, let us answer a highly debatable question.
00:37What if the earth was flat?
00:40Zoom in!
00:43In ancient times, few cultures believed the earth to be flat.
00:48But as time progressed, many pieces of evidence..
00:53..such as the earth's horizon, its circular shadow on the moon during a lunar eclipse..
00:59..and countless photos and videos taken from space..
01:03..have helped us clear any doubts regarding its spherical shape.
01:08But just for fun, let us squeeze our planet..
01:13..and see what would have happened if it was actually flat.
01:19Well, first and foremost, the flat earth wouldn't have remained flat for long.
01:25As, within a few hours, the force of gravity would press the planet back into spherical form.
01:33That's because, as we know, gravity pulls things from the equal side.
01:39Hence, all the planets are sculpted in spheroidal shapes.
01:45So, for a planet to remain in a flat disk shape, gravity needs to be absent.
01:52And, no gravity means, flat earth would no longer be able..
01:58..to hold on to the layer of gases called the atmosphere.
02:03As a result, as we discussed in our video, what if the earth lost its atmosphere?
02:11Without this protective blanket, our skies will turn dark.
02:15The earth's temperature will drop and worse.
02:19There will be no oxygen left, leading to the extinction of every living species.
02:27But, fortunately, there will be some hope as gravity won't completely vanish..
02:34..but will be present right in the middle.
02:38It means, everything around this flat disk will be pulled to the center.
02:45As a result, the further you walk away from the center..
02:49..the more difficult it will get to move forward..
02:53..as gravity will begin to pull you backward.
02:57Likewise, the objects won't fall downwards but sideways..
03:03..toward the point of strongest gravitational pull.
03:08Even water in rivers and seas would flow towards the Arctic at the center.
03:15As a result, vast bulging oceans would collect in the middle..
03:20..leaving practically no water at the edges.
03:24But more than water, the bigger concern will be the air..
03:29..as gravity will pull it at the center too..
03:33..leaving the areas around the edge with no air pressure at all.
03:39And no air pressure means not enough oxygen to breathe.
03:44That's not it.
03:46A flat earth won't be able to generate the magnetic field..
03:51..which protects us from the harmful solar wind.
03:56At the same time, there will be no more wonderful auroras..
03:59..as they are formed due to the interaction..
04:03..between the particles of solar wind and the earth's magnetic field.
04:10The only place you can feel like the earth we know today..
04:15..will be at the center.
04:17But even if you are there, it will be hard to adjust on a flat earth..
04:23..because there will be no day and night cycle.
04:27Yes, on a flat planet, the sun will be constantly circling over the surface..
04:35..acting like a huge spotlight.
04:38So, be ready to say goodbye to a good night's sleep.
04:43However, the good news is..
04:46..the earth is quite round and perfect the way it is.
04:52TRIVIA TIME!
04:55Did you know the actual shape of the earth is ellipsoid?
05:00Yes, it's due to the bulging caused by the earth's spinning.
05:05To know more, please check our huge list of videos on Planet Earth.
05:12Hope you had fun today.
05:14Until next time, it's me Dr. Binocs, Zooming out.
05:24Oh, never mind.