Astronomers using the mighty James Webb Space Telescope have captured direct images of four planets in a star system 130 light years from Earth — an astonishingly eagle-eyed feat of cosmic photography.   The only 30 million year old system, HR 8799, contains four gas giants that formed relatively recently. Though already extensively studied, these latest observations, as detailed in a new study published in The Astrophysical Journal, provide compelling evidence that the nascent worlds are rich in carbon dioxide — a promising sign that they formed in a similar way to the gas giants of our solar system, Jupiter and […]