Hubble Sees a Smiling Lens

[Guest Nicole]

In the center of this image, taken with the NASA/ESA Hubble Space Telescope, is the galaxy cluster SDSS J1038+4849 — and it seems to be smiling.

You can make out its two orange eyes and white button nose. In the case of this “happy face”, the two eyes are very bright galaxies and the misleading smile lines are actually arcs caused by an effect known as strong gravitational lensing.

Read more: https://www.nasa.gov/content/hubble-sees-a-smiling-lens

[James Thomas Rook Jr.]

One of the GREAT joys in my life, is having educated myself in Astronomy enough to understand at a glance, the exact physical forces that made this  ....  otherwise, somebody could tell me this is a Jack-In-The-Box commercial, and not knowing any better, that would sound plausible.