Why Are White Dwarf Supernovae More Useful Than Massive Star

question 27

Multiple Choice

Why are white dwarf supernovae more useful than massive star supernovae for measuring cosmic distances?

• A)White dwarf supernovae are much more common than massive star supernovae.
• B)We can see only white dwarf supernovae in distant galaxies, not massive star supernovae.
• C)White dwarf supernovae follow a period- luminosity relation, while massive supernovae do not.
• D)White dwarf supernovae all have roughly the same true peak luminosity, while massive supernovae come in a wide range of peak luminosities.

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Definitions:

Facial

Concerning treatments or care applied to the face, often for cosmetic or health reasons, emphasizing skin health and appearance.

Smile

A facial expression formed by flexing the muscles at the sides of the mouth, often expressing happiness or pleasure.

Light Pupillary Reflex

The light pupillary reflex is the involuntary constriction of the pupil in response to light exposure, helping to protect the retina from excessive light damage.

Constriction

Constriction refers to the narrowing of a passage or vessel, often as a response to nerve signaling or chemical stimuli.