The space telescopes observed the impact across an array of wavelengths, revealing the distribution of particle sizes in the expanding dust cloud.
While Webb observes the universe in the infrared, the Hubble Space Telescope detects optical light, the one visible to the human eye. Observing the impact across an array of wavelengths will reveal the distribution of particle sizes in the expanding dust cloud, helping to determine whether it threw off lots of big chunks or mostly fine dust, according to a.
. All of humanity eagerly awaits the discoveries to come from Webb, Hubble, and our ground-based telescopes – about the DART mission and beyond."The space telescope took one observation of the impact location before the collision took place, and a couple more observations over the next few hours, with its. The 10 images captured reveal a tight, compact core, with "plumes of material appearing as wisps streaming away from the center of where the impact took place".
The data was collected as part of Webb’s Cycle 1 Guaranteed Time Observation Program 1245 led by Heidi Hammel of the Association of Universities for Research in Astronomy.Hubble also captured observations of the Didymos-Dimorphos system ahead of the impact, then again 15 minutes after DART hit the surface of Dimorphos - resulting in a total of 45 images.
These images from NASA’s Hubble Space Telescope, taken 22 minutes, 5 hours, and 8.2 hours after NASA’s DART intentionally impacted Dimorphos, show expanding plumes of ejecta from the asteroid’s body.According to the Hubble images, the system's brightness increased three-fold after impact. Astronomers saw that brightness hold steady, even eight hours after impact.
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