The MOST Accurate Stellar Parallax Measurements for Distances to the Majority

question 253

Multiple Choice

The MOST accurate stellar parallax measurements for distances to the majority of stars in our neighborhood of the universe have been made by:

• A) the Hubble Space Telescope.
• B) Friedrich Wilhelm Bessel, in 1838; no measurements since then have matched the precision of his measurements.
• C) the Hipparcos satellite.
• D) the Very Long Baseline Array of radio telescopes.

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Definitions:

Golem Effect

A psychological phenomenon where low expectations by superiors lead to a decrease in performance by subordinates.

Low Expectations

Refers to a minimal set of anticipations one holds for an event, outcome, or performance, suggesting skepticism or a defensive approach to avoid disappointment.

Job Performance

Measurement of how well an employee performs their job duties and responsibilities.

Pygmalion Effect

A psychological phenomenon where higher expectations from leaders or teachers lead to an increase in performance among employees or students.