The difference is quite a bit from what we're talking about. One's hyper accelerated one would be naturally over time.

The space race is currently for the wealthy, that's why it's a play toy for musk.

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The only way we can possibly save our species is space exploration... our planet is finite

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That we're going to kill our species for space exploration.

Only it's not free, it's very. very, very expensive. But, now that I think about it. We are putting ourselves in a very precarious place. Devoting so many resources to finding an new home, we may need one.

Ok, strictly focusing on earth, how do you suggest we advance the field of physics?

There is stuff going on out there we can't hope to replicate on earth, the forces are just too great. Consider the universe a free laboratory experiment, we only need to invest in the bare minimum of equipment to observe what's happening.

150 years ago we couldn't fly, 70 years ago we could leave the atmosphere, 30 years ago we hadn't confirmed any exoplanets, 10 years ago we hadn't pictured a black hole... Does this say anything to you about human advancement...

Probably, possibly so for other animals too

Using the stars for navigation maybe have been the genesis of our expansion.

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if you think Marvel Studios invented the multiverse theory even as it relates to fiction you're obviously not a real comic fan or at least an exclusively Marvel fan or you'd know about the history of the DC multiverse in the comics

> If the multiverse is infinite and traversable, there would be infinite travelers showing up in infinite locations, in every multiverse.

but also infinite obstacles in their way which could be why we wouldn't see them (if the possibility of traveling undercover doesn't mean this turns into The Egg with everyone being everyone)

When it comes to escape velocity, mass isn't the only factor. 11.2 Km/s is Earth's escape velocity at the surface. Its lower the higher you go. This also applies to any object wanting to become a black hole, because if you have something that's a hair away from having the right density to become a black hole (the volume in this case being of the space within the event horizon), its just gonna ever so slightly collapse on itself under its own gravity and become a true black hole.

Well yeah, when everything on the ground is trying to kill you, studying the sky seems like the safest thing to study!

Great answer but I don’t understand the becoming invisible very gradually part can you elaborate?

This video will give you an idea of what the comet will look like through different instruments (as well as how to find it). I was able to see it as a small fuzzy spot with my 10x42 binoculars. https://youtu.be/FYtfxeOQWiA

A 10x50 pair from the same website you posted will work better as you want as much aperture as possible and magnification is less important.

Escape velocity is not dependent on mass. Like the experiment where a golf ball falls at the same acceleration as a bowling ball. It’s a characteristic of earth or other planet/black hole.

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Yeah, but one of them blinked, so they gotta do a reshoot....

Read my reply to your post in r/Binoculars (which is the right sub to ask about binoculars).

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Gravitational redshift would likely mean that any light escaping from your one-atom-short-of-a-black-hole would no longer be in visible wavelengths. So it might not look visibly different at all.

Actually, the speed of light is 299 792.459 km/s. But that's a nit.

Your mass with an escape velocity just a hair under the speed of light would already be practically invisible. Any light that left would be red-shifted to extremely large wavelengths, such as (for example) 300 000 kilometers. That's more than 23 times the diameter of the Earth. Also, the energy of the photons would be corresponding low. Detecting (seeing) such a photon would require an antenna of about that size.

Your mass would be, I guess, some type of hyper-neutron star with a mass of 3.56 x 10^(57) hydrogen atoms. I speculate that quantum fluctuations alone would be enough to cause collapse into a black hole.

The mass doesn't "suddenly" become invisible. It becomes invisible very gradually.