Our solar system is just one of millions of planetary systems that exist in the Milky Way galaxy. The solar system has four terrestrial planets and four gas planets that have no solid surfaces and are rocky.
The four terrestrial planets are those that rotate closest to the sun, namely Mercury, Venus, Earth and Mars. These terrestrial planets are small compared to the outer planets located further away at the edge of our solar system, namely Jupiter, Saturn, Uranus and Neptune.
Since Pluto was demoted to dwarf planet status, our solar system officially has eight planets. However, scientists have long suspected that there is a mysterious planet called the ninth planet orbiting the sun from behind the darkness.
Hidden behind the Blue Monster
Neptune, often called the Blue Giant, is in an orbital position 30 times farther from the Sun, compared to the distance between the Sun and the Earth. Not far from its orbit is the Kuiper Belt, a giant ring made up of billions of celestial objects at very low temperatures.
It is thought that behind this Blue Giant is what is predicted to be the ninth planet. The gravitational effect may explain why the dwarf planets at the edge of our solar system have elliptical orbits, different from those of the other eight planets, which are nearly round.
Announcement
Astronomers have been studying how and where the planet, believed to be the ninth planet, orbits the sun. They used computer simulations to image the far edges of our solar system, adding space objects with different orbits, as well as varying masses, until the results matched the data already collected.
The simulation results show that the ninth planet could be 20 times farther from the Sun than Neptune. On top of that, this mysterious celestial object may have a mass 10 times heavier than Earth. It takes the light four days to get there. For comparison, sunlight takes just 8 minutes and 19 seconds to reach Earth, which is about 150 million kilometers away.
Therefore, determining the position of the planet, which is still a hypothesis, is very difficult. All objects far from the light source reflect only a small amount of light.
The Hubble Telescope has managed to identify an exoplanet orbiting a twin star that is approximately the same distance away as the ninth planet. This could also provide interesting clues about planets whose position is still being monitored. (ml/ci)
2024-01-16 16:06:00
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