The Brightest Object in the Universe: A Journey Through Celestial Brightness
Exploring the brightest and darkest objects in the universe, without mentioning sponsorships.
00:00:02 The search for the brightest object in the universe leads to the concept of absolute magnitude, which measures the brightness of objects from the same distance. Despite its appearance on Earth, the absolute magnitude can reveal objects that are much brighter than the sun.
π The brightness of celestial objects is measured by their apparent magnitude.
π‘ Absolute magnitude measures the true brightness of objects in the universe.
π The brightest thing in the universe may appear dim from Earth due to its immense distance.
00:01:51 The video explores the brightness of celestial objects in the universe, highlighting an enormous star that is 8.7 million times brighter than the Sun. It also discusses supernovas and gamma-ray bursts, the brightest electromagnetic events in the cosmos.
The star AR136IA1 is the heaviest and brightest star in the universe.
Super nova explosions release terrifying gamma-ray bursts, making them the brightest electromagnetic events in the universe.
The future candidate for a gamma-ray burst, WR104, could release as much energy within ten seconds as our sun does in its entire lifetime.
00:03:39 Exploring the darkest and brightest objects in the universe, from black holes to gamma-ray bursts. The immense energy produced by black holes is not dark at all.
π Black holes are the darkest objects in the universe and do not let light escape.
π₯ The immense energy produced by black holes while devouring stars creates a colorful disc known as the accretion disk.
π The brightest thing in the universe is the accretion disk formed by the gases and debris of stars being sucked into black holes.
00:05:25 Exploring a black hole with mass billions of times that of our sun. Friction in the accretion disk generates unimaginable heat and light, creating the brightest thing in the universe: quasars.
π Quasars are the brightest objects in the universe, emitting thousands of times more light than stars or galaxies.
π Quasars are found at the centers of galaxies and are much brighter than the surrounding stars.
π₯ Quasars emit powerful beams of radiation that extend far beyond our solar system.
00:07:11 The brightest thing in the universe is a quasar called 3C 454.3. It has an absolute magnitude of -31.4 and is billions of light years away. Quasars are distant because they consume stars to fuel their activity.
π Quasars are the brightest objects in the universe.
π« The brightest quasar observed is 3C 454.3.
π Quasars emit light from billions of years ago due to their immense distance.
00:08:56 What's The Brightest Thing In the Universe? A glimpse into the mysterious quasars and the potential collision of the Andromeda galaxy with the Milky Way, creating new quasars in our backyard.
π Quasars are incredibly bright and ancient objects in our universe.
π The Andromeda galaxy is on a collision course with the Milky Way, which could generate quasars and rearrange stars.
π The light pollution from our cities obscures our view of the night sky and quasars.
π‘ The power outage in Los Angeles in the 1990s led to sightings of mysterious glowing clouds.
00:10:46 Exploring the darkest places in the universe and what creates the brightest light, all without mentioning sponsorships or brand names or subscriptions.
π The brightest things in the universe are quasars caused by black holes.
π‘ Artificial light pollution prevents us from seeing the brightest objects in the sky.
π The empty, dark skies are where the most dazzling brightness is found.
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