10203
These are predicted to arise in the Lambda-CDM model due to acoustic oscillations in the photon–baryon fluid of the early universe , and can be observed in the cosmic microwave background angular power spectrum .
 location: Lambda-CDM
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Lambda-CDM