Cuesta College, San Luis Obispo, CA
091028-blackholetagshttp://www.flickr.com/photos/waiferx/4053363307/
Originally uploaded by Waifer X
Wordle.net tag cloud for "black hole" generated by responses from Astronomy 210 students at Cuesta College, San Luis Obispo, CA (http://www.wordle.net/show/wrdl/1276159/Untitled).
Students have a weekly online reading assignment (hosted by SurveyMonkey.com), where they answer questions based on reading their textbook, material covered in previous lectures, opinion questions, and/or asking (anonymous) questions or making (anonymous) comments. Full credit is given for completing the online reading assignment before next week's lecture, regardless if whether their answers are correct/incorrect. Selected results/questions/comments are addressed by the instructor at the start of the following lecture.
Write down five words that describe or are associated with "black hole." Keep word phrases together with no spaces between them (e.g., "blackhole"). (Graded for completion.)
Student responses
Section 70158
time dense eventhorizon gravity light
deep death powerful crazy destruction
nothing empty black star
supernova x-rayaccretiondisk dense
implode gravity spaghettification mystery timetravel
darkness emptiness force suction mysterious
infinitegravity nolightescapes eatsstars centerofgalaxies totalcollapse
infinitedensity zerovolume singularity eventhorizo 3.0mSun
isaregionofspace
blackhole time space light noreturn
dense wormhole timeless darkness crushing
end demolished finished ruined ice
gravity supernova densemass nonescapinglight colorless
blackhole bottomlesspit mysterious crappy timeportalperhaps
collapes gases escape dark lost
bigendlessholeinspace
molecularcloud protostar supergiant typeIIsupernova blackhole
musesupermassiveblackholeequalsawesome
inescapable dense eventhorizon redshift singularity
nospace powerfulgravitationalfield absorbslight gasspiralsinward gravitationalfield
vacuum toilet dark gravitationalpull bottomless
dark mysterious confusing crazy cool
dense nolightescapes gloryhole dark stretch
bent time space stay away
eh
intense engulfing mysterious complicated black
vacuum black mysterious big hole
mass collapsed preventsescape radiation
event horizon space time curvature
gravity wormhole eventhorizon accretiondisc escapevelocity
Student responses
Section 70160
nothing notevenlightescapes
gravity trap spaghettified pinwheel galaxy
dark mysteriouspossibilities undiscovered, nothing
gravity massive lighteater swirling, dark
mass/density >670616629mph escapevelocity eventhorizon condensation
black hole time disappear forever
dark big eats sucks destructive scary
gravity space starsdustcloudscollapse
blackhole idontknow
infinite endless deep dark scary
neverendingtime warpedspace
Ihavenoidea
gravity black spacetime compacted timetravel
gravitationalfield nolight noreturn onewaysurface scary
dark scary invisible blackbody nolight gasspirals
escapevelocity singularity eventhhorizon Schwarzschildradius timedilation
ican'tthinkofany sorry
black hole space infinity everthing
space singularity time gravity nonrotating
infinity deep bottomless vacuum gravity
hole black empty nolight gravitationalpull
dark gravity mass heavy tunnel
singularity eventhorizon Schwarzschildradius escapevelocity gravity
mystery darkness death massivestardeath scary
nonrotating ecectricalcharges light eventhorizon volumeofspace
type2supernova supernova nova hydrogen
blackhole deep long dark
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