27th May 2024 (12 Topics)
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Astronomical Transients
Context
Indian-American astronomer Shrinivas Kulkarni won the Shaw Prize for Astronomy in 2024. He was awarded for his research on the physics of astronomical transients.
What is a Transient in Astronomy?
- Astronomical transients are celestial objects whose brightness changes quickly.
- They're interesting because they're usually linked to violent events in space.
- Examples of Astronomical Transients:
- Supernovae: These occur when big stars explode, becoming incredibly bright.
- Active Galactic Nuclei (AGN): Massive galaxies' centers host supermassive black holes that sometimes consume nearby matter. These interactions make the matter glow with changing brightness.
- Fast Radio Bursts (FRBs): Discovered in 2007, these are mysterious bursts of radio waves that release huge amounts of energy in milliseconds. Despite being hard to detect, hundreds have been found.
PYQQ. Consider the following pairs: (2023) Objects in space : Description
How many of the above pairs are correctly matched?
Solution: (a) |
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