/u/Weltaum's posts in /r/askscience

Year:

Only show posts with narrations

Can there be an orbit around a black hole in which the apoapsis is above the photon sphere, but the periapsis is below the event horizon?

3795 upvotes

Mark as read: Add to a list

Is this a way to travel into a black holes event horizon and being able to leave it?

1 upvotes

Mark as read: Add to a list

Can there be an orbit around a black hole in which the apoapsis is above the photon sphere, but the periapsis is below the event horizon?

1 upvotes

Mark as read: Add to a list

How can you turn a silicon atom and a hydrogen atom into energy, then get that energy, and find out which energy came from the hydrogen atom and which energy came from the silicon atom?

1 upvotes

Mark as read: Add to a list

How can you turn a silicon atom and a hydrogen atom into energy by colliding it with antimatter, then get that energy, and find out which energy came from the hydrogen atom and which energy came from the silicon atom?

1 upvotes

Mark as read: Add to a list

Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Can there be an orbit around a black hole in which the apoapsis is above the photon sphere, but the periapsis is below the event horizon?	3795
Is this a way to travel into a black holes event horizon and being able to leave it?	1
Can there be an orbit around a black hole in which the apoapsis is above the photon sphere, but the periapsis is below the event horizon?	1
How can you turn a silicon atom and a hydrogen atom into energy, then get that energy, and find out which energy came from the hydrogen atom and which energy came from the silicon atom?	1
How can you turn a silicon atom and a hydrogen atom into energy by colliding it with antimatter, then get that energy, and find out which energy came from the hydrogen atom and which energy came from the silicon atom?	1