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[ad_1] "When a planet reaches a certain mass it gets large enough to start accreting material from the surrounding area, which causes the planet to grow very rapidly, so it will go from Neptune-sized to Jupiter-sized and even bigger within a few million years," Dr Addison stated."But in this case we think something must have stopped the planet gaining the extra mass."Dr Addison stated they believed the planet’s solar itself is perhaps the offender, with TOI-257b very near its star, which is a number of occasions bigger than our personal solar.It's so shut its "year" is simply 18 days lengthy, and its floor is superheated to not less than 1300 levels.And fellow USQ astrophysicist Professor Jonti Horner stated its proximity meant its dimension was seemingly being instantly affected by the star."Maybe this planet was once a bit more massive and it was whittled away by the star," Professor Horner stated.Loading"This star is 3½ billion years old and it's nearing the end of its life, this planet would have been orbiting it for most of that time, and it’s likely it’s been carving off mass from the planet slowly that whole time."The scientists consider there may be one other planet in the identical system additional out from the star, and they're going to do extra passes utilizing Minerva-Australis within the close to future to substantiate its existence and make-up.The telescopic array is a part of the community of telescopes across the globe supporting NASA’s Transiting Exoplanet Survey Satellite tv for pc (TESS), which spots seemingly exoplanets and passes the co-ordinates to Earth-based telescope arrays for additional research.The invention of TOI-257b is the 19th exoplanet discovery the USQ workforce has assisted with, however the first on which they've taken the lead."I think it’s quite exciting because Australia is involved in this cutting-edge astronomy," Professor Horner stated."However not solely that, it’s nice for youngsters residing in Chinchilla or Charleville or someplace who assume that astronomy and science is one thing folks from the large cities do."To see this superior discovery is being made with tools primarily based in south-east Queensland, that reveals children a path to getting concerned with this themselves."Stuart Layt covers well being, science and expertise for the Brisbane Occasions. He was previously the Queensland political reporter for AAP.Most Considered in NationwideLoading [ad_2] Source link Stuart Layt