James Webb Telescope Just Discovered Two SUPER EARTHS In The Milky Way Galaxy!

#newdiscovery #earth2 #galaxies #stars #sciencefacts
James Webb Telescope Just Discovered Two SUPER EARTHS In The Milky Way Galaxy!

Imagine if the Earth was much closer to the sun. So close that an entire year would only last a few hours. So close that gravity has locked one hemisphere into scorching daylight and the other into eternal darkness. So close that the oceans boil away, the rocks begin to melt, and lava is raining down clouds.
While there is nothing like this in our solar system, planets like this—rocky, about the size of Earth, extremely hot, and close to their stars—are not uncommon in our solar system.
But What are the surfaces and atmospheres of these planets really like? And are they habitable? NASA’s James Webb Space Telescope is about to provide some answers.
Welcome to Space World. In today’s video we are going to talk about how James Webb telescope is going to study two newly discovered super-earths in the milky way. So, if you want to know more about it then stay with us until the end of the video.
With its mirror segments beautifully aligned and its scientific instruments undergoing calibration, NASA’s James Webb Space Telescope is just weeks away from full operation. Soon after the first observations are revealed this summer, Webb’s in-depth science will begin.
Included in the investigations planned for the first year are studies of two hot exoplanets classified as “super-Earths” for their size and rocky composition: the lava-covered 55 Cancri e and the airless LHS 3844 b. Scientists will train Webb’s high-precision spectrographs on these planets with a view to understanding the geologic diversity of planets across the galaxy, as well as the evolution of rocky planets like Earth. So, let’s discuss them one by one and see if they are habitable!
55 Cancri e orbits less than 1.5 million miles from its Sun-like star, completing one circuit in less than 18 hours. With surface temperatures far above the melting point of typical rock-forming minerals, the day side of the planet is thought to be covered in oceans of lava.
Planets that orbit this close to their star are assumed to be tidally locked, with one side facing the star at all times. As a result, the hottest spot on the planet should be the one that faces the star most directly, and the amount of heat coming from the day side should not change much over time.

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Видео James Webb Telescope Just Discovered Two SUPER EARTHS In The Milky Way Galaxy! канала Space World