Packet 5: Bonus 11

An optical technique described by this term allowed Andrea Ghez’s group to conduct visual-light observations of stars near the galactic center, confirming that Sagittarius A* (“A-star”) is a black hole. For 10 points each:
[10m] Identify this adjective that names an optical technique where lasers are used to create a guide star, which involves rapidly deforming mirrors to undo distortion.
ANSWER: adaptive [accept adaptive optics; reject “active”]
[10h] Rayleigh scattering in the atmosphere limits the effectiveness of these devices that block out unwanted starlight. These devices were invented to observe the Sun and will be used by the Roman telescope to directly image exoplanets.
ANSWER: coronagraphs
[10e] This longest-wavelength region of the electromagnetic spectrum is basically unaffected by the atmosphere, which is why telescopes like Arecibo are ground-based.
ANSWER: radio [or radio waves]
<Editors, Other Science> | N. Playoffs 5 (Editors 5)

HeardPPBE %M %H %
2412.08100%21%0%

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Conversion

TeamOpponentPart 1Part 2Part 3TotalParts
BruinGeorgia Tech B001010E
Chicago AIndiana1001020ME
Chicago BMaryland B001010E
Columbia AVirginia Tech001010E
Columbia BGeorgia Tech A001010E
CornellIllinois B001010E
Georgia Tech CPittsburgh001010E
Illinois ACambridge1001020ME
Johns HopkinsVirginia1001020ME
MITWashU1001020ME
Maryland ANorthwestern A001010E
MichiganNYU B001010E
MinnesotaToronto B001010E
NYU AUC Berkeley A001010E
North CarolinaBrown001010E
Northwestern BSwarthmore001010E
Ohio StateStanford B001010E
PurdueUCF001010E
RutgersPenn State001010E
Stanford AToronto A001010E
UC Berkeley BHarvard001010E
UCLABritish Columbia1001020ME
VanderbiltTexas001010E
WaterlooGeorgetown001010E

Summary

TournamentEditionMatchHeardPPBE %M %H %
Main Site2026-04-17✓2412.08100%21%0%