38151
To calculate the changes in frequency in a nearly static gravitational field , only the time component of the metric tensor is important , and the lowest order approximation is accurate enough for ordinary stars and planets , which are much bigger than their Schwarzschild radius .
 location: Schwarzschild
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Schwarzschild 
Answer:
 location: Schwarzschild