Name: You won't believe how small we are | Universe Size Comparison | Stars Real Scale Comparison | Videos | Gan Jing World
Uploaded: 2023-05-31T21:47:47.646Z
Duration: 5 min 16 s
Description: This video is special, I celebrate the arrival of 100,000 subscribers, thank you for watching my content. let's continue observing the stars and knowing more ab... | Videos | Gan Jing World

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This video is special, I celebrate the arrival of 100,000 subscribers, thank you for watching my content. let's continue observing the stars and knowing more about the universe

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Chicxulub chicxulub impactor:
The blast generated a core of superheated plasma in excess of 10,000 degrees.  Although that thermal pulse would have been relatively 
short-lived, a handful of minutes, it would have been lethal for nearby life.
Unicorn black hole:The Unicorn is about three times the mass of our sun – tiny for a black hole. Very few black holes of this mass have been found in the universe.
Vela pulsar: a neutron star that was formed when a massive star collapsed.
Lutetia:Discovered in Paris by Hermann Goldschmidt in November 1852, asteroid (21) Lutetia has been a cosmic riddle for astronomers.
Vanth:  is the single known natural satellite of the plutino and likely dwarf planet 90482 Orcus.
Orcus: is a Dwarf Planet, located in the Kuiper Belt, an area of space past the orbit of Neptune. It has been categorised as a Plutino object.
1994 PC1: is a stony asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 1.1 kilometers in diameter. It was discovered on 9 August 1994, by astronomer Robert McNaught at the Siding Spring Observatory in Coonabarabran, Australia.
Quaoar:A Kuiper belt object that, with a diameter of about 1,288 km (800 mi), is the largest such object so far discovered. Quaoar is approximately the size of Charon, Pluto's moon,
 and has a nearly circular orbit at a distance of some 1.6 billion km (1 billion mi) beyond that of Pluto.
Makemake is a dwarf planet in the outer solar system. It was the fourth body identified as a dwarf planet, and was one of the bodies that caused Pluto to lose its status as a planet.
 Makemake is large enough and bright enough to be studied by a high-end amateur telescope.
Haumea is a dwarf planet that orbits the sun far beyond Neptune. It is about the same size as Pluto and has two moons. One of its notable characteristics is how fast it spins on its axis
Dwarf planet Ceres is the largest object in the asteroid belt between Mars and Jupiter, and it's the only dwarf planet located in the inner solar system. ... Ceres is named for the Roman goddess of corn and harvests. 
Pluto is a dwarf planet that lies in the Kuiper Belt, an area full of icy bodies and other dwarf planets out past Neptune.  What's more, its path is quite tilted compared to the planets.
Eris is the most distant dwarf planet, located beyond the orbit of Neptune. It was discovered in 2005 and was originally classified as a planet. It is the second-largest dwarf planet discovered and it led to both it and Pluto's  demotion from planets to dwarf planets.
Kepler-37b, about the size of Earth's moon, orbits a sun-like star 215 light-years away.
Mercury is the smallest planet in our solar system. It's just a little bigger than Earth's moon. ... Along with Venus, Earth, and Mars, Mercury is one of the rocky planets. It has a solid surface that is covered with craters. It has no atmosphere, and it doesn't have any moons.
Mars is the fourth planet from the Sun and the next planet beyond Earth. It is, on average, more than 142 million miles from the Sun.
Venus is the second planet from the Sun, and is Earth's closest neighbor in the solar system. Venus is the brightest object in the sky after the Sun and the Moon,
 and sometimes looks like a bright star in the morning or evening sky. The planet is a little smaller than Earth, and is similar to Earth inside.
Betelgeuse, also called Alpha Orionis, second brightest star in the constellation Orion, marking the eastern shoulder of the hunter. Its name is derived from the Arabic word bat al-jawzāʾ, which means “the giant's shoulder.” Betelgeuse is one of the most luminous stars in the night sky.
KY Cygni is classified as a luminous red supergiant with a strong stellar wind. It is losing mass at around 4.9×10−6 M ☉ and has been described as a cool hypergiant. Its properties are uncertain, but the temperature is around 3,500 K.
UY Scuti is a red supergiant star, which is usually an aging star. Stars with a big enough mass transform into red supergiant stars. They are the largest known type of stars. They usually form when a star runs out of hydrogen fuel in their core and begins collapsing.
Stephenson 2-18 is a red supergiant of the spectral type M6. It is one of the largest stars ever discovered, with a radius of 2,150 solar radii. It is also one of the most luminous red supergiants known. With a surface temperature of 3,200 K, it shines with about 440,000 solar luminosities.
The Laniakea Supercluster  is the galaxy supercluster that is home to the Milky Way and approximately 100,000 other nearby galaxies. It was defined in September 2014, when a group of astronomers including R.