"...it is a Catholic belief that Mary ascended into Heaven, just like her Son."
Actually it is the belief of both Orthodox and Catholic Christians that Mary WAS ASSUMED into heaven.
She did not ascend like her Son.
No, hosepipe...it is a Catholic belief that Mary ascended into Heaven, just like her Son. The belief is that she was the only totally pure human being.
The Catholic church celebrates the Feast of the Assumption.
Google has a lot of information
what is the difference between "assumed" (taken up) and ascention? (moving upward)