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Science

pangaia

(24,324 posts)

1. Those numbers and distances are just beyond my comprehension.

Reply to Zorro (Original post)

Mon Mar 27, 2017, 12:26 AM

Mar 2017

I mean, 35,000 light years I can begin to pretend to grasp. Maybe.....
But 4.7 million MPH, and still taking 20,000,000 years.....

That is definitely farther than the grocery store ! But I have no idea how much farther.

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Gravitational Waves Boot Gigantic Black Hole from Galaxy's Core [View all] Zorro Mar 2017 OP

Those numbers and distances are just beyond my comprehension. pangaia Mar 2017 #1

Wasn't the supermassive black hole theory one that a single massive black hole exists Jonny Appleseed Mar 2017 #2

Are you maybe conflating galaxies with the Universe? Thor_MN Mar 2017 #3

I was under the assumption the it was 1 supermassive black hole:1 galaxy Jonny Appleseed Mar 2017 #4

As galaxies collide and merge (or not), there would not be a hard and fast 1:1 ratio. Thor_MN Mar 2017 #5