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What's Up? The Space Place


20 Jun 2018, 13:21 UTC
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Hey Space Placers!Take a look at this amazing image that shows what is in all probability 3 new planets:The gaps between the rings are likely due to a depletion of dust and in the middle and outer gaps astronomers also found a lower level of gas. The depletion of both dust and gas suggests the presence of newly formed planets, each around the mass of Saturn, carving out these gaps on their brand new orbits. Credit: ESO, ALMA (ESO/NAOJ/NRAO); A. Isella; B. Saxton (NRAO/AUI/NSF).Discovered using the Atacama Large Millimeter/submillimeter Array (ALMA) these are considered to be the first three planets discovered by ALMA - that's how strong the evidence is that there are new exoplanets in this system.The parent star HD 163296 is only 4 million years old so once again we are seeing how planets are a natural byproduct of stellar birth.Our solar system at 4.6 billion years old is ancient compared to this one.Sky Guy in VA

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