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NASA’s James Webb Space Telescope is preparing
to begin its mission of discovery.

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By observing infrared light, Webb will be
able to look through dust to see stars forming

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inside of nebulae. It will also allow scientists
to observe farther back in time than previous telescopes.

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More distant objects in the cosmos are more

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highly redshifted. That means their light
shifts from ultraviolet and visible wavelengths

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into the near-infrared.
This shift in wavelength means observations

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of distant objects, such as the first galaxies
that formed in the universe, require a telescope

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specialized in collecting infrared light.
While Webb will explore the cosmos in infrared

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light, Hubble will continue its observations
of the universe in visible and ultraviolet

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wavelengths.
Since 1990, Hubble has completely changed

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our understanding of just about everything.
From galaxy evolution to gravitational lensing

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and dark matter; from exoplanet atmospheres
to our own solar system, Hubble continues

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to teach us something new about our place
in the cosmos.

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The scientific community is incredibly excited
to have these two highly complementary observatories

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operating together. With their collaboration,
they will push the boundaries of knowledge

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on the backdrop of a rapidly evolving astronomical
landscape.

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A wealth of multiwavelength and now multi-messenger
astrophysical observatories, from space and

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from the ground, are currently operating or
being planned, Hubble and Webb will work together

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to advance our collective understanding of the universe,

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ushering in a new golden age of astronomy!

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