Not exact matches
Because these extremely faint stars are
brightest at near -
infrared wavelengths of light, the team emphasized that this type of observation could only be accomplished with Hubble's
infrared sensitivity to extraordinarily dim light.
«You couldn't see these things
at all in visible
wavelength images, but in the nighttime
infrared they're very
bright,» Schultz said.
Ground - based images of the two
bright plumes and the disturbance on April 5, 2007
at two different
wavelengths:
infrared (left) and visible (right).
The most distant quasars are very red in color, being almost invisible
at optical
wavelengths while appearing
bright in the near -
infrared.