Webb Telescope Sees Jupiter and Its Auroras in a New Light - by b0yle
. “It’s really remarkable that we can see details on Jupiter together with its rings, tiny satellites, and even galaxies in one image.”
The two images released today come from the telescope’s Near-Infrared Camera, or NIRCam. JWST’s instruments are specialized to observe in infrared wavelengths because those wavelengths can reveal phenomena that would go unseen in visible wavelengths. For these pictures, the infrared readings have been translated into colors that range from red to blue .
A three-filter image of Jupiter is more colorful: It shows the auroras and the light reflected by lower clouds and upper hazes in reddish hues. Hazes swirling around the poles are shown in yellow and greens. The light reflected by Jupiter’s primary cloud cover is depicted in shades of blue that are dappled with bright spots. The Great Red Spot is pinkish-white.
“The brightness here indicates high altitude – so the Great Red Spot has high-altitude hazes, as does the equatorial region,” Heidi Hammel, JWST interdisciplinary scientist for solar system observations and vice president for science at AURA, said in today’s image advisory. “The numerous bright white ‘spots’ and ‘streaks’ are likely very high-altitude cloud tops of condensed convective storms.”
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