This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Ceospectrumpohl mit sichtbar. Blackbody radiation in comparison to gas mantle based on CeO Source of data Pohl Optik und Atomphysik Own drawing No claim for rights Visible range added Ceospectrumpohl UTC User Anton derivative work Pemu talk Visible range added Pemu Ceospectrumpohl Gas mantles z
Page 2023 Free-images.com. All images are Public Domain