What are spectroscopes used for?
To measure properties of light
New telescopes designs also observe what?
radio waves, x-rays and gamma rays
True or false: The emission spectra is the same for every substance
False
When was the first telescope used?
17th century
What is the process of using a spectrogram called?
Spectroscopy
What have Earth's telescopes help further discover?
Understanding of black holes, cosmic waves, gravitational waves and even the origins of the universe.
When was the emission spectra made?
1853
Where in Australia is the largest ground-based telescope in?
NSW
The sun
What telescope uses mirrors
Reflecting
Who made the emission spectra?
Anders Jonas Angstrom
How many lenses does the average telescope contain?
2
How fast do the suns rays travel?
300000 km/s
What telescope uses lenses?
Refracting
Where was the emission spectra invented?
Sweeden
Where were they invented?