观测结果表明，HR 8799系统中已广泛研究的行星富含二氧化碳气体。这一发现提供了有力证据，表明该系统的四颗巨行星的形成方式类似于木星和土星——通过核心吸积过程逐步积累固体核心，并从原行星盘中吸引气体。

Astronomers are gobsmacked by an abundance of oxygen in JADES-GS-z14-0, the earliest (and most distant) known galaxy in the ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in ...

This image from NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera) of star-forming region NGC 604 shows how stellar winds from bright, hot, young stars carve out cavities in ...

NASA’s James Webb Space Telescope has provided a direct look at the multiple gas giant planets within the iconic planetary system HR 8799. Located 130 light-years away, this system is young—about 30 ...

The NASA/ESA/CSA James Webb Space Telescope has captured a beautiful juxtaposition of the nearby protostellar outflow known ...

Astronomers discovered bright hydrogen emissions from an ancient galaxy, puzzling researchers over how this light pierced the universe's early hydrogen fog.

This image shows the galaxy JADES GS-z13-1 (the red dot at center), imaged with NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera) as part of the JWST Advanced Deep Extragalactic Survey ...

Another stunning image from the James Webb Space Telescope shows a plume of warm dust and gas formed by jets from a baby star.