Einstein Ring

[Fozzie]

Came across an interesting article from hubble/Nasa..

https://www.nasa.gov/image-feature/goddard/2018/hubble-finds-an-einstein-ring

Thought I'd share, not come across this phenomenon before, similar to lensing possibly..

Ta

Fozzie

[Sunshine]

Interesting article,  i assume that an Einstein Ring is caused by gravitational lensing, first time I've seen a ring though!.

[Tiki]

Thanks Fozzie, what a beautiful image. These images showing myriad galaxies have a special feel; they give a hint at the enormity of The Universe.

 

An Einstein ring is a visual artefact of gravitational lensing.

 

Just out of interest, are there any galaxy clusters that are close enough and dense enough to be in range of amateur astro-photographers to give a similar effect to Hubble images like the one above (minus lensing)?

 

[NebulaBilly]

Great picture Fozzie.

Have you ever tried to calculate the diameter of an Einstein ring?