What Is Microlensing

question 143

Multiple Choice

What is microlensing?

• A) beaming of radiation by accretion disks
• B) use of small telescopes to enhance contrast by eliminating scattered light
• C) focusing of starlight by the gravitational fields of "small" objects like planets or brown dwarfs
• D) focusing of starlight by planetary atmospheres

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Definitions:

Group Performance

The effectiveness and outcomes achieved through the collective actions of a group of individuals working towards common objectives.

Process Loss

The inefficiencies that occur during group processes that lead to lower effectiveness or productivity than could be achieved by individuals working separately.

Disjunctive Task

A group task that can be completed if any one group member solves the problem; the group's performance is determined by its strongest member.

Performance Norm

A standard or expectation for behavior and performance that is established by a group.