"QUASARS VS. PULSARS : UNDERSTANDING THE DIFFERENCES. | SHASTRAM BHAUTIKAM | скачать в хорошем качестве

"QUASARS VS. PULSARS : UNDERSTANDING THE DIFFERENCES. | SHASTRAM BHAUTIKAM |

WELCOME TO MY YOUTUBE CHANNEL... "QUASARS VS. PULSARS : UNDERSTANDING THE DIFFERENCES.." Quasars and Pulsars are both fascinating astronomical phenomena, but they originate from very different processes and exhibit distinct characteristics. Here's a comparison of the two: QUASARS : 1. **Definition**: A quasar (quasi-stellar object) is an extremely bright and distant active galactic nucleus, powered by a supermassive black hole at its center that is consuming surrounding material. 2. **Distance**: Quasars are some of the most distant objects in the universe, often billions of light-years away. Their light can take billions of years to reach us. 3. **Luminosity**: Quasars are among the brightest objects in the universe, outshining entire galaxies with their emission of light and energy, often outshining all the stars in their host galaxies combined. 4. **Emission**: They emit energy across a wide spectrum, including radio, optical, ultraviolet, and X-ray wavelengths. Their extreme luminosity is primarily due to the accretion of material onto the black hole. 5. **Location**: Quasars are found in the centers of galaxies, and they can indicate the presence of supermassive black holes in those galaxies. 6. **Activity**: Quasars represent an active phase of galaxy evolution and are often observed in the early universe, providing insight into the formation and growth of black holes and galaxies. PULSARS : 1. **Definition**: A pulsar is a highly magnetized, rotating neutron star that emits beams of electromagnetic radiation out of its magnetic poles. As it rotates, these beams sweep across space, and if they point towards Earth, they can be detected as pulses. 2. **Distance**: Pulsars are generally found within our own galaxy, the Milky Way, and are typically thousands to tens of thousands of light-years away. 3. **Luminosity**: While pulsars can be quite bright in certain wavelengths (especially in radio), they are not nearly as luminous as quasars. Their brightness is limited to specific frequency bands. 4. **Emission**: Pulsars emit primarily in the radio spectrum, but some can also emit in X-rays and gamma rays. The pulses are produced by the rapid rotation of the neutron star. 5. **Location**: Pulsars can be found throughout galaxies, usually as remnants of supernova explosions where a massive star has collapsed into a neutron star. 6. **Activity**: Pulsars are typically older objects compared to quasars and are not associated with young galaxy formation. Their emissions can be remarkably regular, making them useful as cosmic clocks. Quasars are extremely bright and distant objects powered by supermassive black holes at the centers of galaxies, while Pulsars are rotating neutron stars that emit beams of radiation observable as regular pulses. Both provide valuable insights into astrophysical processes but are distinct in their nature, scale, and the phenomena they represent. IN THIS CHANNEL CONTAINS VARIOUS PHYSICS TOPICS AND THEIR DEFINITIONS OTHER SCIENCE RELATED TOPICS.. THANK YOU AND STAY TUNED.. IF YOU WANTED TO WATCH MORE VIDEOS, LINKS ARE GIVEN BELOW:    • THE PHYSICS IN OUR DAILY LIFE.. DON'T...      • SCIENCE - A NEW EXPLORE      • PHYSICS296: THE QUANTUM CONUNDRUM"      • THE SCIENTISTS AND THEIR DISCOVERIES..   #pulsar vs quasar,#pulsars,#quasars,#quasar vs pulsar,#pulsar,#quasar,#pulsar vs quasars,#what are pulsars and quasars,#magnetars and pulsars,#magnetar vs pulsar,#quasar and pulsar,#pulsar vs magnetar,#radio pulsars#,black hole vs pulsar,#what is a pulsar,#recycled pulsars,#anomalous x-ray pulsars,#millisecond pulsars,#quasar vs blazar,#blazar vs quasar,#magnetar vs quasar,#what are quasars,#pulsar star,#accretion-powered pulsars