Tries to add a new astronomical object to the database under the given explorer name.
The space exploration data to add.
True if the object was added, false if it was already present.
Estimates the value of an astronomical object given the current encyclopaedia data.
The object to evaluate.
The estimated value of the object in credits.
Gets a human readable string for the encyclopaedia backend.
Finds out if an object has already been discovered.
The ID of the object to check.
True if the object has been discovered, false otherwise.
Database holding all the exploration data gathered by players.