The Jovian problem is that gas and dust disks may not last long enough for Jovian planets to form by accretion and then by gravitational collapse.

Question

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Gas and dust disks have a finite lifespan, and it is possible that they may dissipate before Jovian planets can form through accretion and gravitational collapse. This is commonly known as the Jovian problem or the "meter barrier" problem.

The Jovian Problem Is That Gas and Dust Disks May