Measuring the Doppler Shift of Material at Various Distances from the Center

question 38

Short Answer

Measuring the Doppler shift of material at various distances from the center of a galaxy can be used to construct a(n) ________________ for that galaxy.

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Definitions:

D-Aldohexoses

A type of simple sugar (monosaccharide) with six carbon atoms and an aldehyde group, where the hydroxyl group on the highest-numbered chiral carbon points to the right in the Fischer projection.

D-Arabinose

A naturally occurring aldopentose sugar, notable for its role in the biosynthesis of many plant and bacterial polysaccharides.

Kiliani-Fischer Synthesis

A chemical reaction procedure used for the synthesis of monosaccharides by elongating the carbon chain of an aldose and subsequently introducing a new stereocenter, enabling the derivation of higher sugars from simpler ones.

Tollen's Test

A chemical reaction used to detect aldehydes, where a positive result leads to the formation of a silver mirror on the reaction vessel.