What are the common character types in science fiction?

Well, the most common types of science fiction are space opera, where adventures take place in vast cosmic settings, and time travel stories that explore the possibilities of going back and forth in time. Another type is post-apocalyptic, imagining worlds after a major catastrophe.

Platinum is another metal that appears in science fiction. It could be used in advanced medical devices in a futuristic setting. Also, fictional metals like unobtainium are common. Unobtainium is often used to represent a metal that has ideal but currently unachievable properties, like being a perfect conductor or having the ability to defy gravity, which drives the plot in many science fiction stories as characters strive to obtain or understand it.

Some common ship types in science fiction are starships. They are often used for interstellar travel. Another type is the spaceship, which can range from small exploration vessels to large battle cruisers. And there are also generation ships, designed to carry a population for long - term space travel, like in some dystopian science fiction scenarios.

One planet type is the volcanic planet. It has a high level of volcanic activity, with lava flows and a very hot and unstable environment. Mercury in our solar system has some similarities but in science fiction, they can be much more extreme. Another is the artificial planet, created by an advanced civilization. These can have all sorts of incredible structures and technologies. They might be self - sustaining habitats or even weapons platforms in some stories.

In science fiction, conflict often arises between different ideologies. For instance, in 'Star Trek', the Federation's ideology of peace, exploration and cooperation sometimes clashes with other species' more aggressive or self - interested views. Also, there can be environmental conflicts. In some post - apocalyptic sci - fi stories, survivors have to deal with the conflict of a ruined environment that's hostile to life, like in 'Mad Max' movies.

The common types include telepathy, which is the ability to read or communicate with minds. Telekinesis is also popular, where one can move objects with the mind. And there's precognition, being able to see future events.

Some common character types in fiction are heroes, villains, and sidekicks. Heroes are often the protagonists who strive for good and overcome challenges. Villains oppose the heroes and create conflict. Sidekicks support the heroes in their quests.

One common type is synthetic food. It's created in labs using advanced technology. This is often seen in stories where natural resources are scarce.