- #1
alchemist
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what exactly is the blue and red shift? what happens? why does this happens?
What Causes Blue and Red Shift in Light?
- Context: Undergrad
- Thread starter alchemist
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- Blue shift Red shift Shift
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SUMMARY
The discussion focuses on the concepts of blue shift and red shift in light, which are phenomena observed in astrophysics. Blue shift occurs when light from an object moves towards the observer, indicating that the object is approaching, while red shift indicates that the object is moving away. These shifts are critical for understanding the motion of celestial bodies and are quantified using the Doppler effect. The conversation emphasizes the importance of these shifts in the study of the universe's expansion and the movement of galaxies.
PREREQUISITES- Understanding of the Doppler effect
- Basic knowledge of light waves and their properties
- Familiarity with astrophysics terminology
- Concept of relative motion in physics
- Research the Doppler effect in detail
- Explore the implications of redshift in cosmology
- Study the methods used to measure blue and red shifts
- Investigate the role of redshift in the expanding universe theory
Astronomy students, astrophysicists, educators, and anyone interested in the dynamics of celestial objects and the expansion of the universe.
- #2
Phobos
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Welcome to Physics Forums, alchemist! 
Well said, Ambitwistor.
Well said, Ambitwistor.
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