Free Access

Table 3

Masses and densities (for a volume of 55 km3) estimated in other studies compared to the present work.

Paper Mass ( × 1012 kg) Density (kg m-3)

(1) 2.7 ± 2.1 50 ± 40
(2) 8–24 150–450
(3) 33 600
(4)  <8.4  <150
(5) 15–33 270–600

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.