NASA: NICER
NASA’s Neutron star Interior Composition Explorer (NICER) has provided a stunning glimpse into the X-ray sky with a composite image showcasing 22 months of data recorded aboard the International Space Station (ISS). The image reveals the intricate network of X-ray emissions and cosmic sources that NICER has been tracking during its night time observations between targets.
NICER’s primary mission involves targeting and tracking cosmic sources as the ISS orbits the Earth every 93 minutes. However, during the nightfall on the orbital outpost, NICER’s detectors remain active as the instrument slews between targets, capturing X-rays and occasional strikes from energetic particles.
The composite image showcases a network of orange filaments connecting bright spots, which indicate sources in the sky where NICER often points its telescope. The swirling loops between these points reveal the path NICER’s telescope takes between these sources, highlighting the intricate dance of cosmic exploration.
Each point’s brightness in the image reflects the contributions of X-rays and energetic particles captured during NICER’s night moves, as well as the amount of time NICER has spent looking in that direction. Even in regions far from bright sources, a diffuse glow permeates the X-ray sky, offering a glimpse into the vast and dynamic universe beyond our planet.
NICER’s data not only enhances our understanding of the X-ray universe but also provides valuable insights into the behavior of cosmic sources and the processes shaping our universe. As NICER continues its mission aboard the ISS, we can expect more groundbreaking discoveries and stunning images that deepen our knowledge of the cosmos.
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