Whirlpool galaxy, M51, from Observations on the Nebulae, by William Parsons, 1850. Parsons (1800-1867) was an Anglo-Irish astronomer who discovered the spiral nature of some nebulas, today known to be spiral galaxies. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source |
Bildgröße: | 4712 px × 3775 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |