Within a month... possibly only a week... the gravitational pull will be so tremendous that Krypton will not be able to whether the strength.
12 seconds sound clip from the The Adventures of Superman - The Baby from Krypton classic radio series.
You can hear this line at 00:02:51 in the radio play.
Quote context
[...]
- I am certain Jor-L has made a mistake.
- True, we have had a few minor quakes and eruptions, but nothing very serious.
- There must be some error in your calculations, Jor-L.
- No, No there is no error. I only wish there were.
- The sun is gradually drawing Krypton closer to it.
- And then, then our planet will explode like a giant bubble, destroy every living thing on it.
- With time and united effort, we might transport the entire population of Krypton to another world.
- Impossible! Where would we go?
[...]