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Earth, Planets and Space

Table 3 Bulk density of 637 Ryugu grains (≥ 0.5 mg)

From: A newly revised estimation of bulk densities and examination of the shape of individual Ryugu grains

 

Number

Average bulk densitya (g/cm3)

Analyzed grains (mg)

Weight ratiob (wt.%)

Samples in each chamber (mg)

Chamber A

392

1.81 ± 0.30

1113.1

34.4

3237

Chamber C

245

1.76 ± 0.33

889.5

43.9

2025

Chamber A + C

637

1.79 ± 0.31

2002.6

38.1

5262

  1. aDensity with 1σ variation
  2. bWeight ratio of the sum of analyzed grains to the total weight of samples in each chamber
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