Synopsis Richard Rider was just your average teenager. Not the class clown, neither the wallflower, nor the cool kid. He went to high-school, had girl troubles and tried to help out his parents and younger brother when he was at home. All seemed to go their normal way for the young Richard until he came into contact with the Nova Corps. The Nova Corps was a peace-keeping force that was based on the planet Xandar. The planet was destroyed by the space pirate known as Zorr. When Rhomann Dey, the Nova Prime, was dying he fled through the universe and went to Earth. There he chose Richard Rider to receive his powers and granted him the Nova Force. He was asked by Rhomann Dey to use his powers for the good of Earth and the universe and serve as its protector. This was a lot for the teen-aged Rider but he nonetheless started a superhero career with his newfound powers as Nova, the Human Rocket!
https://comicvine.gamespot.com/nova/4005-2105/
Powers
Richard Rider is the host of the entire Nova Force, a vast energy source that he can access to grant himself a number of superhuman attributes. As host to the entire Nova Force, which was previously used to empower all members of the Nova Corps throughout the universe, Rider is now possessed of tremendously augmented strength and durability as well as enormous quantities of energy that allows him to hold his own against other powerful beings such as the Silver Surfer

Superhuman Strength: Rider is able to channel the Nova Force for the purpose of increasing his physical strength to vast levels. While the full extent of his strength level is not known, he is listed well above the class 100 limit. The Nova Force grants Rider sufficient strength and power to engage and even stalemate the likes of the Silver Surfer in combat. He has even stated that his best shot can destroy everything within 3 miles. He was even capable of going blow for blow with the likes of Annihilus himself in combat, and was even able, quite literally, to tear Annihilus inside out.

Superhuman Speed: By channeling the Nova Force properly, Rider can grant himself the ability to run and move at speeds that are beyond the physical limits of the finest human athlete. While the upper limit of his running speed is not known, he can at least run several hundred miles an hour. He can move at speeds faster than light.

Superhuman Stamina: Due to the Nova Force's augmentation of his musculature, Rider's muscles produce considerably less fatigue toxins during physical activity than the musculature of a normal human. While the full limits of his stamina are unknown, he is able to exert himself physically for at least 24 hours before fatigue toxins impair him.

Superhuman Accuracy: With the Xandarian Worldmind's help, Nova can shoot beams of energy with an accuracy of millimeters.

Superhuman Durability: Rider's body is highly resistant to all forms of conventional physical injury. He can withstand high caliber bullets, falls from tremendous heights, exposure to extremes in both temperature and pressure, powerful energy blasts, acidic corrosives, and tremendous impact forces without sustaining injury. While employing the Nova Force, Rider can easily withstand the rigors of deep space indefinitely. He can withstand attacks from powerful beings such as Annihilus relatively unharmed. He was able to withstand, without any significant damage, the raw energy and power stored in the reservoir in Galactus's ship, which contained power siphoned from the destroyed energy of entire planets. He was even capable of withstanding a massive omni-directional blast from an enraged Galactus himself, at near point-blank range, which was so powerful that it encompassed and destroyed more than three entire solar systems.

Superhuman Agility: Rider's agility, balance, and bodily coordination are enhanced to levels that are far beyond the physical limits of the finest human athlete.

Superhuman Reflexes: Rider's reflexes are similarly enhanced and are far superior to those of the finest human athlete.

Regenerative Healing Factor: In spite of his great physical resilience, it is possible for him to sustain injury. On the rare occasion that Rider is injured he can purposely channel the Nova Force to rapidly heal damaged bodily tissues. However, the Nova Force cannot regenerate lost limbs as Rider couldn't replace the right arm he lost from the Revenger Captain America.

Flight: Rider can use the Nova Force to propel himself through the air at tremendous speeds. Nova is fully capable of achieving faster than light velocities and can enter and traverse hyperspace, which he often does while traveling through space. However, moving as such speeds while in the atmosphere of a planet would cause devastation to the planet itself, so he travels much slower while within a planetary atmosphere; generally at supersonic speeds.

Energy Generation: Rider can channel the Nova Force and expel the energy in the form of extremely powerful concussive blasts that he often uses in combat situations. A few of the abilities he has shown are:

-the ability to manipulate the Nova Force to create hyperspace portals in space such as Space Gates,
-the ability to release extremely powerful gravimetric pulses and beams, either from specific parts of his body or from his whole body surface, and
-the ability to emit powerful electromagnetic discharges that can nullify gravity.
-He was able to lobotomize Ego the Living Planet.

Xandarian Worldmind: Aside from housing the Nova Force, Rider is also the host of the Xandarian Worldmind. The Worldmind is a sentient collective created to govern and maintain all forms of Xandarian culture. The Worldmind contains all knowledge collected by the Xandarian people including art, science, history, and philosophy. Rider can access any aspect of this technology by communicating with the Worldmind verbally or mentally. As a result, The Worldmind often contacts Rider unbidden and usually offers advice, instructions, insights, recommendations, and even criticisms. Rider's bond with the Worldmind is highly useful, however, also in the fact that the Worldmind is crucial in helping Rider maintain self control when tapping into the full might of the Nova Force.

A few other capabilities demonstrated by the Worldmind are:

-Helps Rider contain the whole Nova Force while keeping his mind and sanity intact.
-Downloads profiles of opponents directly into Rider's mind.
-Detects nearby energy surges, including those used in teleportation.
-Can assume control of Rider's body as he sleeps.
-Access other computer systems, including heavily-protected terrestrial computer networks (such as S.H.I.E.L.D. records).
-Analyze attackers, including detecting adrenaline surges in their bodies.
-Detects approaching super-humans with energy-based powers (like Penance).
-Enables Rider to hack into satellite TV broadcasts, and transmit his voice and image to individual TV sets.
-Can protect Rider from psionic manipulation using Psi-shields.

Abilities
Formidable/Skilled Hand-to-Hand Combatant: Rider is a formidable combatant and has been trained by Chord, though he is naturally more comfortable at using the Nova Force's energy generating capabilities during combat. However, he can access the Xandarian Worldmind and instantly gain knowledge of Xandarian hand-to-hand combat techniques which he sometimes uses in combination with his energy powers.
http://marvel.wikia.com/wiki/Richard_Rider_(Earth-616)