The space technology and electromagnetic spectrum quiz will be Monday April 4th, 2016.
What to study:
Reflecting Telescope (optical):
light from on object in space is reflected off of mirrors inside the telescope. The Hubble Space Telescope is an example of a reflecting telescope.
light from an object in space in bent (refracted) through an objective lens
uses a large curved dish to collect and record radio waves traveling through space.
any human-made object that orbits another object in space
reusable spacecraft that transports astronauts, satellites, and other materials to and from space
an instrument that gathers information and sends the data back to Earth. Unlike satellites that orbit earth, space probes travel far into the solar system.
large artificial satellite that provides support systems, living quarters, and equipment so that humans can live and work in space and conduct research not possible on Earth. The International Space Station, for example, is a permanent laboratory designed for use in long-term research.
The sequence (order) of electromagnetic radiation from longest wavelength to shortest wavelength:
Radio, microwave, infrared, visible light, ultraviolet, x-ray, gamma ray. (Click here for a mnemonic device to help you remember the order.)
What is frequency:
the number of waves per time interval, such as 3 waves per second
What is wavelength:
the distance between two identical adjacent points in a wave. For example, the distance between one peak or crest of a wave of light, heat, or other energy and the next corresponding peak or crest.
The inverse relationship of wavelength and frequency:
As wavelength decreases, the frequency of waves increases (more waves per second).
Shorter wavelength, higher frequency | Longer wavelength, lower frequency.