[/caption]Hanny's Voorwerp is a popular topic of conversation due to its novel discovery by Hanny Van Arkel perusing images from…
[/caption] Is Hanny's Voorwerp the result of a "light echo" of a violent event that happened long ago or perhaps…
[/caption] The green "blob" is Hanny's Voorwerp. Credit: Dan Herbert, Peter Smith, Matt Jarvis, Galaxy Zoo Team, Isaac Newton Telescope…