Wihlem Conrad Rontgen, a pioneer in X-rays is famous for his photo of
Earth based infrared observatories tend to be located in
The shortest wavelength of electromagnetic radiation is associated with
Most of the ______ that astronomers observe from Earth is seen in the form of synchrotron radiation, which is produced when electrons oscillate around magnetic fields.
Most gamma rays are
Studies in the infrared are useful for objects that are
The best place to observe neutrinos is
An active galaxy is emitting a significant amount of its energy from _____