¿Who is stronger, Nova or Captain America?

Nova, also known as Richard Rider, is a superhero from the Marvel Comics universe. He was an ordinary human who gained extraordinary powers after being chosen by the Nova Corps, a intergalactic police force, to be their new Nova Prime. The Nova Corps imbued Rider with the ability to harness the power of the Nova Force, a powerful energy source that grants him a variety of superhuman abilities. These abilities include super strength, super speed, energy projection, and flight. As Nova, Rider uses his powers to protect the universe from a variety of threats, including supervillains, alien invaders, and cosmic disasters. He is a member of the intergalactic superhero team known as the Guardians of the Galaxy and has also worked with other superhero teams such as the Avengers. In addition to his superhero duties, Nova also struggles with the challenges of being a teenager and trying to balance his personal life with his responsibilities as a hero. He has faced a number of personal and moral dilemmas throughout his career, and has grown and evolved as a result. Overall, Nova is a brave and dedicated hero with a strong sense of justice and a powerful set of abilities. He is a formidable ally for any superhero team and a formidable foe for any supervillain.

Captain America is one of Marvel's most iconic heroes. Created by Joe Simon and Jack Kirby in 1941, Captain America made his first appearance in Captain America Comics #1, just before the United States entered World War II. Since then, he has become a symbol of patriotism and justice in the Marvel Universe. Captain America is the alter ego of Steve Rogers, a frail young man who volunteered for a secret experiment that turned him into the ultimate super soldier. As a result, he has superhuman strength, endurance and agility, as well as exceptional leadership skills. With his indestructible shield, Captain America is a formidable fighter on the battlefield. Over the years, Captain America has battled many dangerous villains, including the evil Red Skull and the terrorist organisation Hydra. He has also led the Avengers on several occasions, becoming one of the most important members of the team.