<Li> Ultimate fate of the universe </Li> <Tr> <Td> Components Structure (hide) <Table> <Tr> <Th> Components </Th> </Tr> <Tr> <Td> <Ul> <Li> Lambda - CDM model </Li> <Li> Dark energy Dark fluid Dark matter </Li> </Ul> </Td> </Tr> <Tr> <Th> Structure </Th> </Tr> <Tr> <Td> <Ul> <Li> Shape of the universe </Li> <Li> Galaxy filament Galaxy formation </Li> <Li> Large quasar group </Li> <Li> Large - scale structure </Li> <Li> Reionization Structure formation </Li> </Ul> </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Th> Components </Th> </Tr> <Tr> <Td> <Ul> <Li> Lambda - CDM model </Li> <Li> Dark energy Dark fluid Dark matter </Li> </Ul> </Td> </Tr> <Tr> <Th> Structure </Th> </Tr> <Tr> <Td> <Ul> <Li> Shape of the universe </Li> <Li> Galaxy filament Galaxy formation </Li> <Li> Large quasar group </Li> <Li> Large - scale structure </Li> <Li> Reionization Structure formation </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th> Components </Th> </Tr>

Which of the following best describes the epoch of reionization