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Some believers in a 2012 doomsday used the term "galactic alignment" to describe a different phenomenon proposed by some scientists to explain a pattern in mass extinctions supposedly observed in the fossil record. [114] According to the Shiva Hypothesis, mass extinctions are not random, but recur every 26 million years.
NGC 1365 is a large barred spiral galaxy in the Fornax cluster.Within the larger long bar stretching across the center of the galaxy appears to be a smaller bar that comprises the core, with an apparent size of about 50″ × 40″. [6]
This is a List of exoplanets discovered in 2012. [1] For exoplanets detected only by radial velocity, the mass value is actually a lower limit.
As the alignment changes, the source's apparent brightness changes, and this can be monitored to detect and study the event. Thus, unlike with strong and weak gravitational lenses, microlensing is a transient astronomical event from a human timescale perspective, [ 10 ] thus a subject of time-domain astronomy .
NASA's APOD: X-Rays from an Active Galaxy (July 5, 2003) NASA's APOD: The Galaxy Within Centaurus A (March 4, 2006) NASA's APOD: Centaurus A (July 12, 2018) NASA's APOD: Centaurus A: A Peculiar Island of Stars (May 3. 2023) High-resolution image of Centaurus A showing the discrete elements of galactic core; Centaurus A at UniverseToday.com
NASA released on Friday a pair of images taken by the James Webb Space Telescope showing two galaxies - one nicknamed the Penguin and the other the Egg - in the process of merging in sort of a ...
Abell 2744, nicknamed Pandora's Cluster, is a giant galaxy cluster resulting from the simultaneous pile-up of at least four separate, smaller galaxy clusters that took place over a span of 350 million years, and is located approximately 4 billion light years from Earth. [1]
The rare alignment will be the first time the planets have appeared together in the sky in 10 years, but The Conversation reports you won't have to wait another decade to see it happen again. The ...