if earth were half it's size my amazon packages would arrive faster

what if saturn became a moon of jupiter?

half size = not enough space

You can practice living on low gravity by living on Earth's moon and also on living on Mars.

If earth was half its size.... North Koreas missiles might actually reach the U.S. Lmao 😂

if the earth's diameter shrank by half the mass would be 8 times less.

Honestly, man your content is amazing. Ive been watching your videos for a while now and I cant believe that you only have 1,600 subscribers. It looks like you actually put effort into making your videos just for the passion of it. All I can say is keep doing what you are doing man

One thing you fail to take into account is that in this smaller Earth all the fauna and flora will have had to evolve in a pattern corresponding to the circumstances presented before it. Thus trees, whales, humans, et cetera will more than likely reach a size that befits the ecological niche that nature has provided, as a result, a smaller Earth would translate into smaller trees, whales, and humans because that would be the ideal size to accommodate within the lesser resources of a smaller Earth. There is one area where a difference can be seem between Earth and a postulated smaller Earth. Given that the gravitational attraction is less that would mean a smaller Earth would have a thinner atmosphere and not just in proportion to a fifty percent reduction but substantially less. That has tremendous ramifications with regards to whether a smaller Earth could sustain oceans of water on its surface. Since we know that water is critical to animate objects it is a question whether a fifty percent smaller Earth could be able to support higher life forms such as vertebrates and arthropods.

Zooplankton plays a huge role in the Oxygen that is displaced in our Atmosphere (Approx. 40%), this means that we would probably not experience Oxygen loss in such a disastrous way you have displayed in your video, but in a more acute manner.

Today I found your channel and today I watched most of your videos! keep up the good work your channel is one of the best so far !

Another outstanding KZfaq presentation by Dreksler. Please keep these coming!

Wow, your videos are incredible! You look like you have put so much effor into this video and all of your others and congratulations because they are amazing!! You need more subscribers!

You honestly deserve a million subs!

With this great content, and your subscription rate, you will likely have 10,000 subscribers by 2018 and 100,000 by 2019. Excellent videos!

Dude your subscribers ratio just exploded. Congrats because this is such a great educational content. Keep delivering science!

Nice video. Just came up in my recommendations!

You deserve more subs. i love your stuff man.

Thank you, Dreksler, for always delivering top-notch material.

Smaller: Taller Easy to walk Big trees Cons: Too small for oxygen Larger: Lots of space Cons: Can't walk Bad bones Yeah, medium is best.

Jupiter: Your smaller than mars earth Earth: *Pulls out Antimatter Bomb*

Awesome Video man! Would like to add one thing that since earth is half the size the core will cool down much faster and we will likely lose our geomagnetic field. Adding the risk of more radiation

I really like your content. Subscribed!! keep up the awesome work!!!

your content is amazing. Nice research done. Appreciate the effort and thank you

If the earth was any bigger or smaller, we would have evolved to survive it..!

Well I mean, are we talking about halving its size without removing any mass? Because then the gravity wouldn't decrease, but would in fact increase due to the laws of gravity.

Next Video: What if Earth has no moon ?

what if we had mars as our moon? or if the half-sized earth orbited mars?

1:33 Now I really want the Earth to half its size.

If earths diameter is halved, it's volume is only going to be 1/4th en thus gravity(determined by how much mass is present) is going to 1/4th as well. If the diameter doubles, gravity is going to be 4 times as strong. Simple consequence of the square-cube law

I've been watching these videos for an hour now, all this is so god damn interesting

I subscribed bro! interesting stuff man :) keep it up

The first video I saw from u Dreksler was the Sun dying video which was very interesting. Been subscribed ever since.

Great content and one of the best yt channels! You deserve 14 billion subscribers!

We'd be half our weight?! Where is this Earth 2 utopia? I'm moving there now. Great content, Dreksler. :o) You came up in my recommendations and I've subbed.

Videos like this is very useful when it come to modules and stuff

If the diameter shrunk by a half, according to the volume of a sphere formula, the volume would shrink by over twice as much. Since volume is proportional to mass (assuming same density), if the radius shrunk by half, there would be OVER 2x LESS mass, and over two times less mass actually means gravity would be over 2x weaker

better than any other channel who talk a lot about other but not the video a lot.

Really enjoy this channel !!!

The density issues with respect to vertebrate bones would likely be the same regarding plant fibers including the wood in trees. Another serious complication that reduced gravity would present for such an Earth would be reduced surface air pressure which would adversely affect the freezing and boiling points of water meaning that ground water might sublimate directly into the atmosphere leaving surface plants to potentially go thirsty.

Glad I stumbled on this, a few new things rattling around in my Noggin now.

I love your space videos!!!🤣

When you say 'Half its size', you have to define what that means (mass, diameter, circumference, etc..). 0.5x the diameter reduces the mass more than twice, so the gravitational pull would not just be 50%. Also, the fact that we're closer to all that mass influences that number.

This channel is going to explode in popularity.

THANK YOU FOR USING METRIC SYSTEM, I LOVE YOU, and subscribed..

i hope your channel grow bigger...its epic

Fine stuff . Keep on to more interesting astronomy . What would the sky look if the Earth and the Solar System would've been in one of the Magellanic Clouds .

Wow your videos at really entertaining. how do they not have more views?

I never thought about the idea of earth being half it's sized great vid as usual

And somehow airlines would find a way to charge us even more even though the distance to everywhere was cut in half.

"Atmosphere would go away" Wrong. Mars supposed problem is a lack of magnetic field that allows solar wind to erode the atmosphere. Assuming the atmosphere does not lose mass as well, a smaller surface means thicker atmosphere, circa 8 times.

_If Earth were half its size_ Liked for your correct application of the subjunctive _were,_ a feat which seems to be beyond the ability of most uploaders to KZfaq.

0:43, you are saying that g would be 4.9 m s^-2. This depends on a handful of factors. Gravity depends on mass and inversely proportional to the square of its radius. If the mass were the same, then the gravity would be 1/4 currently. If its mass goes down by a factor of two then g would be m s^-2. It's impossible to write a vector on a youtube comment

What if Earth was half the size from the beginning, ie. not shrunk suddenly? How would have all the living organisms evolved? I know our bones would be less dense, we'd be half as tall but could still slam dunk a basketball.

thanks making these videos

One thing is for sure that the land price would increase by 4 times if the earth would be half size.

Nice video. What would life be on earth if it was twice the size than it is now.

great content dude🖒u got a new subscriber

Wow....excellent video!

These videos are amazing

If the earth shrank yes it would end life on earth. However if say the earth was originally half it's size I don't think the effects would be as devastating. I mean we only think earth is the ideal planet because that's where we adapted. We are used to the earth's gravity, we are used to the atmosphere. It is my belief that if the earth was half the size life on earth would be adapted to live on the earth and it would be business as usual.

You sir, are going to grow very fast

When decreasing the size by a factor of 2, the mass would be 1/8 of its former mass, right (assuming density stays the same), since the volume of a sphere depends on r^3 (1/2^3 = 1/8). So 1/8 the volume with same density makes 1/8 of the mass. Please correct me if I am wrong :)

cutting the diameter in half doesn't mean you get half the size of earth 1/8th because the volume of an object is directly proportional to the cube of its diameter.

can you do a video about interstellar​ planets and stars (outside of our solar system)? it would be cool

Can I do a parody video on your video archive? Eg; What if Earth were 2D flat but LeBron could still dunk? What if Einstein became a pants salesman instead? What if a galactic superhighway were built through our solar system and it was raised through eminent domain? Just kidding 😄. Great series! Ideas. And Great found footage!

i bet aliens in far away solar system have made a video about " how does standing on the earth's surface feel like "

tbh, u deserve more subscribers

please do a video about What if Earth has half of its land mass.

next video what if proportions of land and water were opposites like 30% water and 70%land

another greay video mate. do you take requests for new videos :)?

I was born on Mars so it's so hard to live on earth.

I have been trying to loose weight for a long time now and failing.........now I hope that earth would be half of it's size, so that I can finally lose weight.

if you cut the diameter in half, you don't cut the mass in half. The mass is reduced much further. When you calculate the volume of a sphere, you cube the radius.

Next video: What if Mars were twice its size

Can you do a video like this but if earth were twice the size

Since there are no planet fairies that go about waving their magic wands to decrease or increase mass, your question would be better framed as: "What if Earth had developed such that it had only half the current diameter", and proceed from there.

A fun speculation. Thank you for posting. We should also keep in mind the effect of Earth's magnetic field. Unlike Mars, Earth's strong magnetic field, if it stayed the same as the full-sized Earth, would protect the planet over a longer time from loosing it's atmosphere to the solar wind.

Great video

"If the Earth shrinked" - shrank!

"If de eart shink by ha..." -- man, is your lower jaw broken?

If earth were half of its size then Jason from far cry 3 hasn't said Faster Faster

I think your forgetting the whole fact that if animals did not change then we would all pretty much my Goliaths

Great Channel

I love you and what you do. I can see that you are doing this becouse you realy like to do it!

The description for a smaller Planet almost sounds like a perfect description of the Avatar Planet, Big Trees small planet tall people I don't know sounds weird LOL

dude, just found this channel and I love your content.you know your stuff....you really deserve more subs

Magnetic field would probably suffer to, potential shower of radiation from the sun. The weakening of the bones wouldn't be a problem with less gravity. Though some may carry weights round with them. Thinner atmosphere may disrupt air travel and air speed depending on engine type.

What happens to mountains/buildings or roads? Are our houses half as big now? Are we bigger creatures in smaller cities?

3:08 Universe Sandbox?

Really good and interesting video! Btw, where are you from?

I assume you have heard of the Expanding Earth Hypothesis. Earth it is suggested was half the size and covered in water. Relative to gravity the EEH allows for the extinction of the dynasaurs due to doubling of gravitational pressure.

If the earth kept the same mass and shrinked inro half its normal size doesmt that mean that the grabity would be stronger because we are closer at the center of earth??

The earth was small pre world flood - the additional water which poured onto the earth from was eventually absorbed deep into the crust, this water heated up and exploded causing the ring of fire. The fractured the and created the tectonic plates and made the continents we have today. Observe some of the stretch marks under the oceans. The Previous atmospheric pressure would have been a lot higher, possible 20-30%. It possible never rained and was extremely humid. Uv light would have been a fraction of what we have today.

can't understand what's with the dislikes? the vids are awesome.

halving the size of a sphere quarters the mass roughly

If it was half its size,Godzilla could destroy it in a much shorter time

Reducing earth's diameter by 1/2 would reduce its mass by much more than 1/2.

If you mean by size half of the mass and half of the diameter, the gravitational acceleration would still be 2x greater (19.62 m/s^2). In order to have 4.9 m/s^2, you must keep the density constant.

"If it was a little bigger or a little smaller in the beginning" Well life would be different, but I'm sure we would still exist. Just evolved differently.

How about a video of two Earths in a barycenter orbit? Would they be tidally locked to each other and the sun?