Recently, NASA confirmed via Twitter that 5,235 exoplanets had been discovered to date and round 200 new planets were discovered by astronomers in 2022 alone.
This is an impressive accomplishment considering that less than 5,000 exoplanets had been discovered at the beginning of the year. The space agency anticipates discovering other uncharted planets around 2023.
200 New Planets
Exoplanets have various properties and compositions. The fact that 4% of newly discovered exoplanets are rocky planets like Earth and Mars is intriguing. The list of exoplanets includes hot Jupiters, so-called because of their proximity to their parent star.
There are also’super-Earths,’ which are rocky planets larger than Earth, and’mini-Neptunes,’ which resemble miniature versions of Neptune. A Neptune-like exoplanet named HD 109833 b was just discovered in 2022.
According to NASA, the exoplanet has a mass of 8.69 piles of earth and requires 9.2 days to complete a circle around its parent star. It was detected using the transit method, which involves observing a dimming of the host star’s light when the orbiting body passes in front of it.
The Nancy Grace Roman Space Telescope will discover new exoplanets in addition to exploring the dark matter. It is anticipated to launch in 2027 and will have a field of view that is 100 times larger than the Hubble Space Telescope. The Ariel expedition will likely launch in 2029 to explore the origin and evolution of exoplanets.
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Solar System
In addition, the National Aeronautics and Space Administration (NASA) posted a photograph showing the Earth-observing simultaneously all of the planets in our solar system.
Due to the phenomena known as the Planet Parade, Mercury, Venus, Mars, Jupiter, and Saturn are all visible. During the planet parade, an astronomical occurrence, numerous planets are visible to the naked eye in the sky.
In the image labeled After Sunset Planet Parade, various planets, including Jupiter, Mars, Venus, Saturn, and Mercury, glisten against a purple sky in the late evening.
Mars, Uranus, Jupiter, Neptune, Saturn, Mercury, and Venus were all seen in a single photograph, which rapidly went viral. Internet surfers were astounded by the breathtaking sunset scene.
The image, captured by scientist and photographer Tunc Tezel in December 2022, also showed bright stars like as Altair, Fomalhaut, and Aldebaran.
NASA’s APOD practice of presenting a new image related to astronomy each day extends back decades. Every day, a fresh photograph and a brief explanation written by a seasoned astronomer are uploaded, providing the optimal blend of informative and amusing information.
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