Home

About

Advanced Search

Browse by Discipline

Scientific Societies

E-print Alerts

Add E-prints

E-print Network
FAQHELPSITE MAPCONTACT US


  Advanced Search  

 
Gravitationalle nsing Einste in's Ge ne ralRe lativity Th e ory says th atth e
 

Summary: Gravitationalle nsing
Einste in's Ge ne ralRe lativity Th e ory says th atth e
pre se nce ofm atte r curve s space tim e . W e can se e
consq ue nce s ofth atallove r th e
sk y.
H ow w e can se e it?Th e ligh t(but
m ore ge ne rally any radiation)
te nds to follow th e sh orte stroute
be tw e e n tw o points, butne ar a
m ass th e space tim e is curve d, th e n ittrave ls in a
be nde d path , as itoccurs in a le ns. W e h ave th e n a
'gravitationalle ns'.
Th e de fle ction angle is dire ctly proportionalto th e
m ass and inve rse ly proportionalto th e distance
be tw e e n th e ligh tray and th e de lfle ctor.
De pe nding on th e re lative positions ofth e source le ns and
obse rve r, and th e m ass and it's distribution th e gravitational
le nsing e ffe ctcom e s into diffe re ntre gim e s, ch anging sh ape s and
brigh tne ss ofsource s' im age s.
Strong Le nsing

  

Source: Adler, Joan - Physics Department, Technion, Israel Institute of Technology

 

Collections: Physics