Based on Observations of Supernova Explosions in Distant Galaxies, It

question 19

Multiple Choice

Based on observations of supernova explosions in distant galaxies, it is predicted that 5 supernovae per century should occur in the Milky Way Galaxy, but roughly 1 supernova every 300 years has been observed from Earth. Which statement BEST explains this?

• A) The majority of supernovae produce no visible light, only radio and X-ray radiation, which have been observable from Earth for only the past three decades.
• B) Most supernovae occur in the galactic plane, where interstellar dust has hidden them from the view from Earth.
• C) Most supernovae occur in the Milky Way and can be seen only from the southern hemisphere, where there have been very few observers until recently.
• D) The majority of stars in the Galaxy are old, well beyond the supernova stage of evolution.

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Definitions:

FMRI

Functional Magnetic Resonance Imaging, a neuroimaging procedure that measures and maps the brain's activity by detecting changes associated with blood flow.

Archival Data

Information collected and stored as records or documents from past events, used as a valuable resource for research and analysis.

Percentile Score

A statistical measure indicating the value below which a given percentage of observations in a group of observations falls.

Marlowe-Crowne

A social desirability scale used in psychology to measure the tendency of respondents to answer questions in a manner that will be viewed favorably by others.