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March 30, 2011

Mirror mirror on the wall…

srikanth @ 11:59 pm, GMT +0000 ( 1301529590 ) Play

Plaintext question (essentially an excuse for the wordplay).

The “traditional” effect A makes it seem that nearby stars are moving in relation to faraway stars, when seen from the earth. This is essentailly caused by the motion of the earth around the sun.

The “reverse” of the traditional effect is actually an artifact of gravitational lensing. The outcome is the exact converse of A, and hence named B.

B?

Cracked by: Raghuvansh , Rogi , jowens , shrik and dineshk

Answer:
Xarallap, the exact converse effect of stellar Parallax.

Points assigned by AutoRaja. Review by lazy humans pending.

9 Responses to “Mirror mirror on the wall…”

  1. Raghuvansh
    1
    9
    4

    Parallax and Xallarap.


  2. Rogi
    48
    10
    5

    Xallarap


  3. jowens
    13
    2

    Xallarap


  4. Logik
    1
    5
    3

    a – Redshift
    b – Blueshift
    However, it could also be due to the simple reason of movement of the source towards us


  5. shrik
    10
    7
    9

    Parallax and xallarap effects.


  6. Do not often publish on blogs, however I wish to publish it actually pressured me to not be so! very good post.Irvin Atlas


  7. a- doppler effect
    b – inverse doppler effect


  8. dineshk
    4
    3
    2

    a – Parallax which can be used to measure small celestial distances and is caused by the motion of the observer

    b – Xallarap, an artifact introduced in a gravitational lens due to orbital motion of the source.


  9. Strong and weak lensing ?


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