Hell of the universe

Welcome back to the magical world of SpaceCrew!!!

We left off some time ago after our guide to the observation of the "Giant of the Solar System" so we decided to tell you about another fantastic discovery: the gaseous planet in the Wasp-189 system.

In this post we are going to talk about a recently discovered planet, named WASP-189b by astronomers, after its parent star. This gaseous planet would appear to be the same size as our neighbour Jupiter (or very likely even bigger) but with a much higher temperature. In short, with its extremely high heat of 3200 degrees Celsius, it rises to the podium of the hottest and most inhospitable planet ever discovered by man!

One of the most likely and plausible reasons for this could be its incredible proximity to the star, currently estimated at around 7,500,000 km, practically only one twentieth of the distance between Earth and the Sun.

This precise measurement was made possible by the observations of the Cheops spacecraft, which, being outside the Earth's atmosphere, was able to pick up the star's tiny variations in brightness... . It was therefore possible to detect the planet's transit around the light source, and then calculate its rotation period, distance and changing light spectrum (in this case the planet emitted reflected red light).

Just think that based on these observations, the European Space Agency, with a great deal of help from Italian astronomers, was able to calculate the orbit of WASP-189b quite accurately, estimating its rotation time at just 2.7 Earth days.

An incredible speed

This incredible speed, combined with the short distance from the star, makes the atmosphere of this planet the most inhospitable place in the known universe... In fact, its temperature would be such that it would melt the iron in its soil, transforming it into steam and gas, which would give it that typical bright red colour observed during transits.

Location

Wasp-189b is located near the constellation of Libra, at a distance of 323 light years from us, making it relatively close to our solar system.

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For now, however, we know relatively little about this planet, but in the future, research such as that which led to its discovery will almost certainly allow us to study phenomena further away from our small and fragile home, which we commonly call earth!

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