[SunkenCiv]

[Credit: NASA / GSFC / Arizona State Univ. / Lunar Reconnaissance Orbiter]

[doorgunner69]

No one around to see it back then, but what a show that must have been when Tycho was formed. Would scare the beejus out of us today............

[Boogieman]

Sunrise near Tycho crater? Uh oh... does anyone else hear that ringing noise?

[Prospero]

And here's a detail, a full-resolution crop from the same LROC NAC observation, showing the 100 yard boulder perched on the very top of the central peak of Tycho:

[Slyfox]

Top down view: