Earth is about 12,750 kilometers in diameter and is the largest of the four rocky planets (Mercury, Venus, Earth, and Mars) in our solar system. While Neptune has a diameter of about 49,250 km, four times larger than Earth, it is the smallest of the four gas planets (Jupiter, Saturn, Uranus, and Neptune).
Recently, astronomers from the University of Bern in Switzerland revealed that using the Atacama Large Millimeter/submillimeter Array-ALMA radio telescope network, they discovered six planets within 100 years of Earth. It states that these six planets are larger than Earth but smaller than Neptune. Astronomers suspect that these stars may be rocky planets with dense atmospheres of hydrogen and helium. His body was made of rock and ice. Is there warm weather and water or something else? Interestingly, they may also provide insight into the birth and evolution of planetary systems. Because they are the most common type of planet in our Milky Way Galaxy.
The diameter of this type of planet is 2-3 times larger than that of Earth but smaller than Neptune. It orbits closer to its star than the inner planets in the solar system. The way Mercury orbits around the Sun and even its basic nature remain a mystery. But astronomers have identified the six newly discovered planets as having a diameter of 1.9 to 2.9 times the diameter of Earth and orbiting their parent star HD110067, and can be seen in the night sky in the constellation Berenice I.
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