Did Ultimate Gohan shoot a blast through the planet here?

[kriss-]

Gohan shoots an energy wave at Bootenks but it's deflected and goes right back at him. It misses, and on the very next panel is shown exiting the Earth.

 

[Pyro]

Yes, I can't think of it any other way.

 

[Let's Go Fearless!]

Of course he did, the anime supports it as well.