EM Spectrum
The _____________________ is the term used by scientists to describe the entire range of light that exists.
Electromagnetic Spectrum
The telescope was invented by ___________________.
Hans Lippershey
The first satellite to be launched was ____________ launched by _______________.
Sputnik 1, Soviet Union
Concave mirrors bend light ______________.
In
Lyman Spitzer
Frequency is measured in ______________.
Hertz
________________ telescopes use mainly lenses to collect visible light and magnify it for the viewer. ______________ telescopes use mainly mirrors to collect visible light and magnify it for the viewer.
refracting telescopes, reflecting telescopes
The first satellite launched by the US was ___________________.
Explorer 1
Concave lenses bend light _________________.
When was Hubble deployed into orbit around Earth?
April 25th 1990
The largest waves with the largest frequency on the EM Spectrum are ___________________. The shortest waves with the shortest frequency on the EM Spectrum are _________________.
Radio waves, Gamma Rays
List 2 advantages of using Radio Telescopes.
Can be used day/night
Can be used in cloudy weather
Can be used during storms
Collect more wavelengths than visible telescopes
The two main common parts of a satellite are ______________ and ______________.
an antenna, a power source
Convex mirrors bend light ___________.
Out
List 2 of Hubble's jobs.
Explore the solar system.
Measure the age and size of the universe.
Search for our cosmic roots.
Chart the evolution of the universe.
Unlock the mysteries of galaxies, stars, planets, and life itself.
___________________ shined white light through a prism.
Isaac Newton
Why do stars appear to be twinkling?
Light distortion
How do satellites orbit?
When its speed is balanced by the pull of Earth's gravity
Convex lenses bend light ________________.
Reflecting
List the EM Spectrum in order from largest waves to smallest waves.
Radio, microwave, infrared, visible, ultraviolet, x-ray, gamma ray
What was proposed to eliminate light distortion?
What are the two most common satellite orbits?
Geostationary and Polar
Draw out and explain how lenses and/or mirrors are used in a...
Reflecting telescope
Refracting telescope
See drawings
List 2 advantages of the Hubble Space Telescope.
Telescope pictures are more detailed than you can get from the ground.
No light distortion
Can access the ultraviolet and infrared parts of the spectrum not visible from the ground.