<Tr> <Td_colspan="2"> Visible spectrum range </Td> </Tr> <Tr> <Th> Color </Th> <Td> Wavelength </Td> </Tr> <Tr> <Td> violet </Td> <Td> 380--450 nm </Td> </Tr> <Tr> <Td> blue </Td> <Td> 450--475 nm </Td> </Tr>

History and development of the hubble space telescope