Gravitational Lensing Occurs When ________ Distorts the Fabric of Spacetime

question 1

Multiple Choice

Gravitational lensing occurs when ________ distorts the fabric of spacetime.

• A) a star
• B) dark matter
• C) a black hole
• D) any massive object
• E) a white dwarf

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Definitions:

Corporate Bonds

Debt securities issued by corporations to fund their operations, capital improvements, or expansions, offering periodic interest payments and the return of principal at maturity.

R-134a

Current (2018) A/C refrigerant used in HD trucks and not projected for phase-out in the near future. GWP rating is 1,430.

Psig

Pounds per square inch gauge. Gauge pressure is equivalent to psi, not psia.

Liquid Refrigerant

A substance in liquid form used in refrigeration cycles to absorb and remove heat from a space to cool it.