James Webb Space Telescope

Sailorsaint said
We won't be around when it happens, but if we were, it takes the Milky Way something like 200 million years to spin one time. Assumining we were on the outside edge of the collision, it would take a long time for us to see the effects or be in danger. But, like Tapxe mentioned, we won't be around when that happens.
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Yeah. I can't remember where I saw it, but whoever it was (might've been NDT), he said that if the Earth somehow survived the Sun's implosion to see the Milky Way merge, it would have little to no effect on the planet/solar system/etc. due to the vast amount of space between each celestial entity.