NASA’s Roman Space Telescope is set to help researchers detect more kilonovae, helping us learn significantly more about these “all-star” smashups. How do you pinpoint titanic collisions that occur millions or even billions of light-years away? First, by surveying large areas of the sky. Second,
– ripples in space-time. Almost simultaneously, NASA’s Fermi Gamma-ray Space Telescope detected high-energy light. NASA quickly pivoted to observe the event with a broader fleet of telescopes, and captured the fading glow of the blast’s expanding debris in a series of images.
“We don’t yet know the rate of these events,” said Daniel M. Scolnic, an assistant professor of physics at Duke University in Durham, North Carolina. Scolnic led a study that estimates the number of kilonovae that could be discovered by past, present, and future observatories including Roman.
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