A rotating disk of gas, dust, and other matter that spirals into a central massive object like a black hole. The material heats up due to friction and gravitational forces, emitting radiation across various wavelengths.
Source: nasa.gov

05/12/2025

28/05/2025

09/05/2025

06/05/2025

04/05/2025

27/06/2024

16/06/2024

08/05/2024

07/05/2024

01/04/2024

22/02/2022

22/08/2021

29/07/2021

27/04/2021

16/04/2021

31/08/2020

25/08/2020

03/09/2019

20/08/2019

11/03/2018

06/06/2017

27/03/2017

16/02/2017

18/12/2015

11/01/2015

23/03/2014
24/02/2014

24/03/2013

12/03/2013

05/11/2011