Question

This quantity can be calculated using the R-23 method. A galaxy with an extremely low value for this quantity nicknamed “Peekaboo” was discovered in November 2022. Closed, leaky, and accreting box models are used to derive the evolution of this quantity in galaxies. High values of this quantity cause line blanketing that reddens stellar spectra, particularly in galactic bulges. This quantity is essentially zero for Population III stars, which (10[1])formed soon after the Big Bang and thus were not chemically enriched by supernovae. Stellar composition (10[1])is defined by (10[1])this quantity (10[1])and two other quantities symbolized X and Y, which measure the two most abundant elements in the universe. For 10 points, name this astronomical quantity that measures the ratio of elements heavier than helium. ■END■ (10[1]0[8])

ANSWER: metallicity [prompt on descriptions of metal or heavy element content or abundance; prompt on Z]
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Buzzes

PlayerTeamOpponentBuzz PositionValue
Rasheeq Azad (UG)UNC B (UG)UNC C (UG)6810
Joseph Chambers (DII)Virginia A (UG)Liberty A (Grad)8410
Vedang Singhal (DII)UNC D (DII)Virginia C (UG)8710
Isaac Mammel (UG)Maryland A (Grad)UNC A (Grad)8910
Meredie Cohen (DII)William & Mary A (UG)GWU A (UG)1240
Ethan Cohen (UG)GWU A (UG)William & Mary A (UG)1240
Ivan Stanisavljevic (DII)Duke A (UG)GWU B (Grad)1240
Andrew Storm (DII)GWU B (Grad)Duke A (UG)1240
Joshua Schmidt (DII)Liberty B (DII)Maryland C (DII)1240
Daniel Kim (DII)Maryland C (DII)Liberty B (DII)1240
Noelle Ropp (DII)Roanoke College A (DII)Liberty C (DII)1240
Nathan Redford (DII)Liberty C (DII)Roanoke College A (DII)1240
Munir Siddiqui (UG)Maryland B (UG)Virginia B (UG)12410