History
Go to...
Index
Translations
Pronunciation
Images
Computers
Geography
Languages
0 / 60 seg.
Name The Year: Christian Doppler, discovered Doppler Effect (color shift)
1
8
0
3
Clue
1921
1781
1803
1778
Text
Audio
Text & audio
Free text
Multiple option
Previous question
Start
Next question
Please enable JavaScript to continue using this application.