Cosmic Times 1965 Glossary Quiz

What is the study of the history, structure, and dynamics of the universe called?

• Celestial

• Astrophysics

• Astronomical

• Cosmology

What is the range of signal frequencies that can be carried on a communications channel called?

• Wavelength

• Bandwidths

• Spectrum

• Magnitude

What is the nebulous envelope around the nucleus of a comet called?

• Quasar

• Remnant

• Coma

• Fluorescing

What is the name of the radio source in the constellation Cygnus in the Northern Hemisphere?

• NGC 3521

• Scorpius

• Cygnus A

• Holmdel Horn

What is the electromagnetic radiation at wavelengths longer than the red end of visible light and shorter than microwaves called?

• Infrared

• Emission

• X-rays

• Microwave

What is the rate at which a star or other object emits energy called?

• Emission

• Radiation

• Magnitude

• Luminosity

What is the enormously bright object at the edge of our universe which emits massive amounts of energy called?

• Quasar

• Steady State Universe Model

• Spherical galaxy

• NGC 972

What is the system by which auditory and visual information is transmitted by television, radio, or phone called?

• Telecommunications

• Astrophysics

• Black body radiation

• Cosmology

What is the distance between adjacent peaks in a series of periodic waves called?

• Zenith

• Wavelength

• Bandwidths

• Spectrum

What is the electromagnetic radiation of very short wavelength and very high-energy called?

• Infrared

• X-rays

• Emission

• Microwave