Peak Warming Man said:

Peak Warming Man said:

It’s not so surprising that the earth is perfect for us Miss Chandra.
And all other planets are hostile.
But we’re going to have to get off before our sun blows so we need to take baby steps now.

We can’t all go, some will have to stay here and be fried, there will be a selection process.
There will be demonstrations.
What Do We Want ‘to get off’ When Do We Want It ‘now’
Young university students who think they are entitled, we may have to use force which could be more humane than their eventual death, but as I say we can’t all go.

You’re thinking of When Worlds Collide (1951).