Could our planet orbit a blackhole without it being destroyed for a couple of...

Booteefool
Booteefool

Could our planet orbit a blackhole without it being destroyed for a couple of years?

For example, say a black hole entered our solar system and pulled us into its orbit, would it destroy us immediately or would we orbit it until we fell in?

Attached: BlackHole-Lensing.gif (3.46 MB, 290x232)

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youtube.com/watch?v=AceEjtXigQQ

Sir_Gallonhead
Sir_Gallonhead

tidal forces would DESTROY us

Soft_member
Soft_member

How badly? Super volcanoes and such?

farquit
farquit

maybe they'd destroy you, you little bitch

idontknow
idontknow

there's nothing special about a black hole, the attraction law is the same as any other thing

Gigastrength
Gigastrength

That depends on a number of things.
For example. if our Sun was replaced with a black hole of the same mass instantly, it would have no affect on our orbit.

However, you said a black hole entering our solar system, so that's going to depend on mass, where it enters, the path, where Earth is in relation to it, etc

It's too broad a question.

TreeEater
TreeEater

Say it has a similar orbit to Jupiter, when it enters

Burnblaze
Burnblaze

What would happen if a black hole collided with Uranus?

Stupidasole
Stupidasole

Since you stated in the OP that Earth would orbit the black hole, I'm assuming it will have a larger mass than Earth.

I think any object with that mass entering the solar system around Jupiter's orbit would wreak havoc on the inner planets by perturbing their orbits.

Nojokur
Nojokur

say a black hole entered our solar system
ok well we have no evidence that primordial black holes exist, so we'd be talking about something on the scale of 3 solar masses or higher. this would completely disrupt all planetary orbits and even gravitationally dominate the sun itself. there probably isn't any single trajectory that would produce a stable earth orbit, and would lead to either a collision or ejection from the solar system.

Spazyfool
Spazyfool

Would it immediately swallow up the Earth though? Or would it orbit the black hole?

Booteefool
Booteefool

Would it immediately swallow up the Earth though?
No.

Or would it orbit the black hole?
Unlikely.

Bidwell
Bidwell

it would have no affect

likme
likme

more like it plows right through, causes the sun to wobble a good bit, slingshots past one of the gas giants, and its gravity slings most of the terrestrial bodies out into the void or into the sun
not good

TurtleCat
TurtleCat

On our orbit.

Ignoramus
Ignoramus

There's plenty of stat that share orbits with black holes. They're not particularly rare or particularly dangerous. Yes if something smaller got to close it would get sucked in but the same applies to all stars. They might have infinite density but that's not the same thing is infinite mass

askme
askme

The radiation would fry us.

Skullbone
Skullbone

No one cares about that.

Fuzzy_Logic
Fuzzy_Logic

[math] \displaystyle
\begin{align*}
\text{Mass} && M \\
\text{Radius} && R &= M \cdot \frac{2G}{c^2} \\
\text{Surface area} && A &= M^2 \cdot \frac{16 \pi G^2}{c^4} \\
\text{Surface gravity} && \kappa &= \frac{1}{M} \cdot \frac{c^4}{4G} \\
\text{Surface tides} && d \kappa_R &= \frac{1}{M^2} \cdot \frac{c^6}{4G^2} \\
\text{Entropy} && S &= M^2 \cdot \frac{4 \pi G }{ \hbar c \; ln10} \\
\text{Temperature} && T &= \frac{1}{M} \cdot \frac{ \hbar c^3 }{8k \pi G} \\
\text{Luminosity} && L &= \frac{1}{M^2} \cdot \frac{ \hbar c^6}{15360 \pi G^2} \\
\text{Lifetime} && t &= M^3 \cdot \frac{5120 \pi G^2}{ \hbar c^4} \\
\end{align*}
[/math]

Spazyfool
Spazyfool

this
youtube.com/watch?v=AceEjtXigQQ

Sir_Gallonhead
Sir_Gallonhead

That's actually more interesting than I thought. It would sling shot all our planets out of orbit

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