If You Found a Galaxy with an Hα Emission Line

question 51

Multiple Choice

If you found a galaxy with an Hα emission line that had a wavelength of 756.3 nm,what would be the galaxy's redshift? Note that the rest wavelength of the Hα emission line is 656.3 nm.

• A)0.05
• B)0.07
• C)0.10
• D)0.13
• E)0.15

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Definitions:

Hazan and Shaver

Researchers known for their contributions to the study of attachment theory, particularly in applying the theory to adult romantic relationships.

Attachment Style

Patterns of how individuals emotionally bond and relate to others, often formed during childhood.

Reassurance

The act of providing comfort or confidence to someone, often by easing their doubts or fears.

Avoidant-Fearful

A type of attachment characterized by a desire for closeness with others combined with a fear of getting hurt or rejected.