Dinosaur-killing asteroid: how big is it?
Dinosaur-killing asteroid is about 10 km. In everyday terms, that is ≈ 497 cricket pitches.
- Size
- 10 km
- In metres
- 1.00 × 10⁴ m
- Everyday comparison
- ≈ 497 cricket pitches
- Chapter
- Landscapes
Did you know?
The asteroid that wiped out the dinosaurs 66 million years ago was roughly 10 km wide.
How it compares
- Roughly the same size as Mount Everest (8.85 km).
- Roughly the same size as Mariana Trench (depth) (10.9 km).
Other things of a similar size
- Cumulus cloud 1 km
- Bandra–Worli Sea Link 5.6 km
- Mount Everest 8.85 km
- Mariana Trench (depth) 10.9 km
- Bengaluru (across) 30 km
- Marathon 42.2 km
Sizes are rounded, typical values drawn from standard reference sources, including NIST/CODATA physical constants and NASA's planetary fact sheets. Real objects vary; see About for how sizes are chosen.