This is the revision history for spacecraft in <*:##NULL>
| factoid_id | subject | copula | predicate | author | namespace |
|---|---|---|---|---|---|
| 10425 | spacecraft | is | Reentry is hot, not from friction, but from a heat-pump-like effect, caused by the craft compressing the air in front of it. | bengoldberg | |
| 10424 | spacecraft | is | bengoldberg | ||
| 10423 | spacecraft | are | hot on reentry, not from friction, but from a heat-pump-like effect, caused by the craft compressing the air in front of it. | bengoldberg |