NASA’s satellite called TESS (Transiting Exoplanet Survey Satellite), which is used for the discovery of exoplanets, has been in service for about six years and has enabled the discovery of many planets. TESS’s latest discovery was recently announced.

According to information shared by NASA, TESS almost as big as the Earth and discovered a new planet orbiting a star about the size of our sun.

It may be half covered in lava

Although the planet HD 63433 d looks similar to Earth due to its size, it is actually very different. The first and biggest difference is the planet’s proximity to the sun. To the sun of HD 63433 d 8 times closer to the sun than Mercury It is said that it is so.

Furthermore, this new exoplanet completes an orbit around its sun in just 4.2 Earth days. so a ‘year’ is only 4.2 days. The concept of the day is also very different from the concept we experience, because one side of the planet always faces the sun. So one side is always dark and cold, while the other side is bright and very warm. It is thought that the temperature on this hot side can reach 1257 degrees. The team that discovered and examined the exoplanet believes the extremely hot dayside of the planet may be covered in lava.

Another important difference between HD 63433 d and our Earth is its age. HD 63433 d, a very young planet in a very young system only 400 million years old People think so. If you look at the age of the Earth, which is 4.2 billion years, you can better understand how young it is.

The discovery of HD 63433 d, the youngest and closest Earth-like planet discovered to date, will help us understand the formation and evolution of planets.