Current exoplanet detection methods most easily find planets with short, rapid orbital periods around their stars, but this newly found planet has a longer orbital period than most discovered to date.
While this theory has been proposed to explain so-called hot Neptune deserts around redder stars, whether this extended to hotter stars—A-type stars are about 1.5 to 2 times hotter than the sun—was unknown because of the dearth of planets known around some of the galaxy's brightest stars.
Mark Ollig Column - 08/05/22
The two sources of my research were the school library and the World Book encyclopedias at home (no Google in 1972).
What would I use to support the nine planets (various-sized Styrofoam balls) going around the sun?
Since lampshade metal rings were of various sizes, I needed to find nine that would represent the orbital path of each planet around the sun.
Disk of gas observed around what might be youngest exoplanet yet discovered
That gap may correspond to a Jupiter-sized exoplanet, around which the researchers detected a disk of gas, the circumplanetary disk orbiting the planet much the way the protoplanetary disk orbits the host star.
Like a protoplanetary disk, a circumplanetary disk hosts material that may condense into Moons due to gravity over time, and researchers may have caught the process early one — star is estimated to be just 1.6 million years old, which could make the exoplanet one of the youngest ever observed.
NASA reveals giant crater on the surface of Mars that looks identical to human ear
The US space agency recently released the impressive snap taken from the hi-tech Mars Reconnaissance Orbiter probe, which has been orbiting the Red Planet since 2006.
It shows a crater measuring 1,800 metres across, located in Chryse Planitia in the Northern Hemisphere of Mars.
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