Roman’s Family Portrait of Millions of Galaxies
About 15 years ago, our Hubble Space Telescope captured this ultra-deep field image of space, revealing thousands of galaxies tucked away in a seemingly empty spot in the sky.
Now, imagine this view of the cosmos – and all the mysteries in it – at a scale 300 times larger than Hubble's.
Our upcoming Nancy Grace Roman Telescope could capture just that.
Roman recently released this gorgeous simulated image that gives us a preview of what the telescope could see. Each tiny speck represents a galaxy filled with billions of stars. And it’s more than just a pretty picture – scientists could learn a lot from an observation like this!
Since Roman can see much more of the sky at a time, it could create an ultra-deep field image that’s far larger than Hubble’s. So instead of revealing thousands of galaxies, Roman would see millions!
Roman’s ability to look far out into space with such an expansive view would help us better understand what the universe was like when it was young. For example, scientists could study a lot of cosmic transitions, like how galaxies switch from star-making factories to a quieter stage when star formation is complete and how the universe went from being mainly opaque to the brilliant starscape we see today.
And these are just a few of the mysteries Roman could help us solve!
Set to launch in the mid-2020s, our Nancy Grace Roman Space Telescope, is designed to unravel the secrets of dark energy and dark matter, search for and image exoplanets, and explore many topics in infrared astrophysics. You can learn about some of the other science Roman will do here.
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