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TOI-715 b – NASA discovers a super-Earth – Is life possible here?  -News

TOI-715 b – NASA discovers a super-Earth – Is life possible here? -News

NASA has made an exciting discovery: it has discovered a super-Earth that could be habitable. The planet is called TOI-715 b, and it is 1.5 times larger than Earth and is 137 light-years away from us. On this planet they grow rapidly: a year, that is, one revolution around the parent star, lasts only 19.3 days. SRF Science Editor Daniel Theis explains the most important questions about super-Earths.

Daniel Theis

SRF Science Editor


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Daniel Theis has a PhD in atmospheric chemistry and microbiology. His areas of expertise are energy issues, mobility and technical developments. He has been working on the SRF's scientific editorial team since 2013.

How special is the new super-Earth TOI-715 b?

The super-Earth planet TOI-715 b is interesting because this planet is not very far from Earth – “only” 137 light-years. It is also possible that there is another, smaller planet that is slightly larger than our planet Earth. These two planets orbit within the so-called habitable zone around their parent star. This area is determined according to NASA The distance that would allow a planet to have liquid water on its surface, the most important element for the existence of life as we know it.

What exactly is a super-Earth?

A super-Earth is a planet larger than Earth. But the planet must be smaller than the ice giants Uranus or Neptune in our solar system. Thus, the maximum diameter of a super-Earth is twice that of the Earth, and the mass of the Earth is up to ten times the mass of our Earth. NASA currently lists it on its website The giant planets were discovered in 1679 on me.

Why are these planets called super-Earths?

The word “Super” comes from Latin and means “above,” “above,” and “above.” It is a planet that has a mass greater than the Earth's mass. In addition to the giant planets, there are also so-called terrestrial planets outside our solar system. These are similar in size to our Earth. Such terrestrial planets are very rare because they are smaller and more difficult to detect. NASA just lists 199 terrestrial planets discovered on me.

The super-Earth is called TOI-715 b, why do they always have such strange names?

Toy means “Tess's object of interest”, i.e. something interesting that Tess has discovered. he-goat It symbolizes the space telescope that discovers many new things. This is followed by a number. Planets that Tess may have discovered are then given lowercase letters.

Super-Earth TOI-715 b.

legend:

137 light-years from Earth: a super-Earth.

NASA