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#NASAWebb sees in infrared light — or what we experience as heat. What can infrared vision tell us that visible light cannot?
Tune in for our 4-part answer! Thread 
pic.twitter.com/EHMg02hKUW
1. Infrared will allow Webb to peer through the clouds of cosmic dust obscuring distant galaxies, so that it can get a deeper look at star & planet formation. 
More: https://jwst.nasa.gov/content/science/birth.html …pic.twitter.com/RbYDoJiRel
2. Due to cosmological redshift, light from the early universe stretches into longer infrared wavelengths as the universe itself expands. Since Webb will see in infrared, it can look ~13.5 billion years back in time at those first stars & galaxies. More: https://jwst.nasa.gov/content/science/firstLight.html …pic.twitter.com/GQIZeUO0MS
3: #NASAWebb’s unprecedented infrared sensitivity will help astronomers compare the faintest, earliest galaxies to today's grand spirals and ellipticals, helping us understand how galaxies assemble over billions of years.
More: https://jwst.nasa.gov/content/science/galaxies.html …pic.twitter.com/dfWJ1J1oYD
4. How are the building blocks of planets assembled? Can we find a planet with an atmosphere like Earth’s? Many atoms & molecules in the atmospheres of exoplanets have the largest number of spectral features in the infrared part of the spectrum. More: https://jwst.nasa.gov/content/science/origins.html …pic.twitter.com/zTGtcxxWpn
By studying the spectral features (aka spectra), we can learn all kinds of detailed characteristics about exoplanet atmospheres — including their composition, temperature and more!https://twitter.com/NASAWebb/status/1311357168948449281?s=20 …
Lol...welp
thank you! Visual aid at last! 
you all!
so the highest frequency are gamma rays, right?
Yes! Gamma-rays have the shortest wavelengths and highest frequencies. And because of their high frequencies, they have more energy than any other electromagnetic waves. The field of X-ray and gamma-ray astronomy is called “high-energy astrophysics.”
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