In contrast, heuristic predictions indicate complete melt of first - and possibly second - year ice in this region. (searcharcticscience.org)
The unburned fuel ignites inside the converter and could result in a partial or complete melt down of the ceramic catalyst. (mechanics.stackexchange.com)
This means that a major part of the impacted hemisphere would probably have been completely vaporized, but the opposite hemisphere would have been partly shielded, and would not have undergone complete melting.» (sciencedaily.com)