Tag Archives: Self-luminous planets

[left] Jupiter as it appears to our eyes, in reflected sunlight. [right] Jupiter as it appears at a wavelength of 5 microns.  These long wavelengths are far beyond visible light, in the thermal infrared.

What Self-Luminous Planets are Like

The planets that we are familiar with in our own solar system have evolved, aged, and cooled, for over 4.5 billion years since the Sun and planets formed. What do planets look like at younger ages? Can we use the ...