[petuniasevan]

[xJones]

Thank you, and a Microlensing Caustics bump!

[Mama_Bear]

Interesting and colorful. Thanks for the ping.

[RightWhale]

Interesting that gravity lenses form caustics rather than point images. Similar to reflections off the meniscus on a cup of coffee. This is a new tool for astronomers especially since the Hubble telescope came online.