Mars

Mass: mass

6.42 × 10²³ kg

Only about a tenth of Earth’s mass.

Sources and checks

Checked 2026-10-19: Claude (AI build agent): Wikidata statement compared, second-source quote verified in the fetched page. Quotes are short passages from each source.

Wikidata P2067: 641.691 yottagramQ111, CC0, retrieved 2026-10-19

“Mass (10 24 kg) 0.64169”NASA NSSDCA planetary fact sheet: source, retrieved 2026-10-19

Spotted a mistake? Tell us; a correction gets a new revision.

Fair duels for this one

Mercury
The Moon
Earth
Pluto