She had just started writing a science fiction novel. He needed some weapons, ones used on Earth and extraterrestrial. The more, the better. Thank you.

Answer 1

Of course, the following are some weapons used on Earth and aliens:

Laser Gun: A high-energy-density beam that can be used to hit a target and cause damage.
2. High Energy Cannon: The use of high energy density shells can cause huge damage to the target in a short period of time.
3. Rocket thruster: A device that can accelerate objects to extremely high speeds, usually used for interstellar travel and attacks on alien bases.
Particle Beam Weapon: A device that uses high-energy particle beams to attack targets. It can be used to attack aliens and destroy alien facilities.
Antimatter weapon: A device that uses antimatter to attack a target can be used to destroy alien spaceships and destroy alien facilities.
Nuclear weapons: A weapon that uses a nuclear reactor to generate high-energy energy that can be used to attack alien spaceships and destroy alien facilities.
7. Thermo weapon: A device that uses heat to attack a target. It can be used to heat up alien spaceships or destroy alien facilities.
Space Missile: A weapon that can attack a target in a short period of time, usually using a satellite or missile launcher as a launch platform.

Of course, these are just some examples. You can create your science fiction novel according to your own imagination and creativity.