A cloud of ionized gas emitting light of various colors, often found in regions of active star formation and contributing to the reddish hues observed in galaxies.
Source: esa.int

09/06/2022

07/06/2022

28/05/2022

10/05/2022

06/05/2022

19/04/2022

12/04/2022

21/02/2022

14/02/2022

31/01/2022

26/01/2022

03/11/2021

27/08/2021

12/08/2021

23/07/2021

16/06/2021

26/04/2021

10/03/2021

14/02/2021

28/12/2020

26/12/2020

05/11/2020

01/11/2020

30/08/2020

01/08/2020

28/07/2020

18/06/2020

16/05/2020

05/05/2020

06/04/2020