Uploaded August 2025 | Updated September 2026, 1 day ago
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According to today’s concepts, the life of any star is determined almost exclusively by its mass. With a star’s mass being less than eight solar masses, having completed several evolutionary stages it eventually turns into a white dwarf. It is assumed that after billions of years, it will lose the rest of its energy and transform into a hypothetical object called a black dwarf.
This path is destined for more than 99% of the universe's stars, including our Sun.
If the mass of a star exceeds 8 solar masses, however, its evolution follows a different path, eventually resulting in a supernova explosion. The outer shells of the star are scattered in the surrounding space, forming a scattered gas nebula. At the centre of the system there remains a supercompact and extremely dense object - the former stellar core.
Its fate also depends entirely on its mass. If it is too great, the core of the dead star will not be able to resist the inexorable gravity and will inevitably shrink into a black hole. However, there is another way. In the case where the mass of the stellar remnant is within the range of 1.4 to 2.2 solar masses, a neutron star is formed. Gravitational forces in its interior destroy atomic nuclei, forming a superdense neutron matter with rather bizarre physical properties.
00:00 Intro
01:12 How the system PSR J0737−3039 was formed
03:25 How many neutron stars have been discovered in total?
03:52 Stellar evolution
05:34 How are neutron stars detected?
06:58 Diversity of systems with neutron stars
07:48 System PSR J0737−3039
09:16 Neutron star in section (Atmosphere)
10:16 Neutron star in section (Outer mantle)
12:02 In the depths of a neutron star (Outer core)
12:40 Neutron star in section (Inner core)
13:39 System as a whole (PSR J0737−3039)
16:39 Hypothetical planets in neutron star systems
17:26 What will happen with the system in the future?
18:32 Ending
#Neutron #Stars #Pulsars #Space #Kosmo
➥ Telegram - https://t.me/kosmo_eng
➥ Subscribe - bit.ly/SubbKosmo
➥ Support us on YouTube - youtube.com/@Kosmo_off/join
➥ Support us on Patreon - patreon.com/kosmo_off
➥ Kosmo DOC - youtube.com/@KOSMO_DOC_EN
➥ Kosmo Time - youtube.com/@KosmoTM
➥ Advertising, cooperation - kosmo.pdt@gmail.com
According to today’s concepts, the life of any star is determined almost exclusively by its mass. With a star’s mass being less than eight solar masses, having completed several evolutionary stages it eventually turns into a white dwarf. It is assumed that after billions of years, it will lose the rest of its energy and transform into a hypothetical object called a black dwarf.
This path is destined for more than 99% of the universe's stars, including our Sun.
If the mass of a star exceeds 8 solar masses, however, its evolution follows a different path, eventually resulting in a supernova explosion. The outer shells of the star are scattered in the surrounding space, forming a scattered gas nebula. At the centre of the system there remains a supercompact and extremely dense object - the former stellar core.
Its fate also depends entirely on its mass. If it is too great, the core of the dead star will not be able to resist the inexorable gravity and will inevitably shrink into a black hole. However, there is another way. In the case where the mass of the stellar remnant is within the range of 1.4 to 2.2 solar masses, a neutron star is formed. Gravitational forces in its interior destroy atomic nuclei, forming a superdense neutron matter with rather bizarre physical properties.
00:00 Intro
01:12 How the system PSR J0737−3039 was formed
03:25 How many neutron stars have been discovered in total?
03:52 Stellar evolution
05:34 How are neutron stars detected?
06:58 Diversity of systems with neutron stars
07:48 System PSR J0737−3039
09:16 Neutron star in section (Atmosphere)
10:16 Neutron star in section (Outer mantle)
12:02 In the depths of a neutron star (Outer core)
12:40 Neutron star in section (Inner core)
13:39 System as a whole (PSR J0737−3039)
16:39 Hypothetical planets in neutron star systems
17:26 What will happen with the system in the future?
18:32 Ending
#Neutron #Stars #Pulsars #Space #Kosmo
