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";s:4:"text";s:5214:"site design / logo © 2020 Stack Exchange Inc; user contributions licensed under Anybody can answer @G.Smith .. "Yes, but with extremely strong Newtonian gravity" that's totally wrong. For example radius squared at the surface of the moon is 1000×1000 = 1,000,000. See Regarding Hawking Radiation, the Hawking temperature of a black hole with the mass of the moon is about 1.67 K, this is less than (but close to) the 2.7 K of the CMB. Only matter that is on a direct collision course with the black hole will actually get eaten up, any other matter will just pass by and fly off into space again.A black hole with the same mass of the moon would have a frontal area about Moon has a lot of surface to "catch" meteorites and convert their kinetic energy into heat (so they won't bounce back into space). Learn more about Stack Overflow the company If you got within 1 mile of the center your acceleration due to gravity would be much much higher. Then you replace the Moon with a BH of the same mass. Which is why he had suggested that studying black holes using primordial black holes would prove highly suggestive. Plot .

It would have identical "Gravity".

I would suck up much, much less. Right now the moon has a radius of about 1000 miles which equates to an acceleration due to gravity of 1.6 m/s squared at the surface. Otherwise they're just normal objects. This is called the Even if it sucked in matter at the rate the Earth—with its much larger "collecting area"—sucks in interplanetary dust, it wouldn't necessarily be a problem for us. In Tokyo, Pupulan plays a song on his flute to hypnotize children, following him into a mysterious ship before sailing off into the sky. This one is called Sagittarius A and is currently stationed between 27º and 28º Sagittarius on the Western zodiac wheel. It would swallow up a tiny portion of the solar wind, but that wouldn't amount to much at all. The Moon reflects sunlight, but with some surprising twists.

Larger black holes are pretty good and cocnvert 20-40% of the mass into light, that's how quazars work. Some stuff passing by would be captured in orbit around it and shredded, making tiny accretion disk. Presumably some of those pieces would get swallowed?Well, that's not true. Black holes burn brightly as they devour things; the whirlpool of matter Fortunately, there's not a lot out there for it to eat, so it wouldn't glow very brightly for now. The Sign of a Star Falling Into the Abyss of a Black Hole . Gravity is a function of one thing, Mass. Anybody can ask a question A black hole is a place in space where gravity pulls so much that even light cannot get out. So how many black holes does the full Moon cover? Black holes have no higher gravity than any other mass. Featured on Meta One of the more well-known black holes is the one in our own Galactic Center, the middle of our Milky Way galaxy. And a body like the moon can be seen as a series of concentric spherical shells. From outside the balloon, you wouldn't notice any difference. It would spend most of its time drastically altering the orbits of nearby dust particles—one sand grain pushing other sand grains around.But there would be one interesting effect: In addition to getting darker, Earth would get colder, because moonlight Measurements show that global temperature varies with a Calculating the amount of energy radiated back to Earth by the Moon is deceptively tricky. Smaller effective cross section.Do you mean the moon turns into a black hole with the same mass or the same size of the moon? Specifically, according to one of my favorite charts, a black hole moon would be a grain of fine to medium-fine sand, and could pass through a sieve of size ASTM No. The equation above would be divided by 1 million to get the 1.6 m/s squared. If the Sun were replaced by a black hole of the same mass, the Earth's orbit wouldn't change, although life on Earth With the Moon gathered into a point, there'd be no moonlight, which would affect the life cycles of all kinds of nocturnal animals. If something big hit it, things could get interesting. Well, it depends how sensitive your X-ray telescope is and for how long you look! Once it became a black hole, it would eat far less. Start here for a quick overview of the site Learn more about hiring developers or posting ads with us Is it not true that Hawking radiation of a black hole increases with decreasing radius?What would happen to a solid object like a stone, that is bigger then the BH itself? But compared to a lot of the At least, if it didn't eat anything.
By using our site, you acknowledge that you have read and understand our Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. Meteors that just pass near it, even within a few miles, would undergo a different deflection than predicted by Newton's theory, but probably wouldn't get eaten.
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