Skip to content
Mercury

File:Mercury_in_true_color.jpg · Wikimedia Commons · See Wikimedia Commons

EntityQ308· pop 271· linked from 2,277 articles

Also known as Sol I, Hermes, Sol b, Sol 1, Planet Mercury,

first planet from the Solar System and smallest among all, tellurian and with extreme temperatures

OverviewAI-generated

Mercury is a planet that orbits the Sun. It is named after the Roman god Mercury, who is identified with Hermes. The planet has an atmosphere and possesses a magnetic field. Its radius is 2439.7, and its mass is 330. The object has an orbital eccentricity of 0.20563593 and a flattening of 0.

Mercury completes an orbit in 87.969 days, with a synodic period of 115.88. Its semi-major axis is 57909176, and its periapsis is 46001009. The orbital inclination is 7.00497902, with an argument of periapsis of 29.124 and a longitude of ascending node of 48.33076593. The albedo is 0.068. The Unicode character for Mercury is ☿. It is described in sources such as the Brockhaus and Efron Encyclopedic Dictionary and the Encyclopædia Britannica 11th edition.

Synthesized by Vinony from 25 facts across 3 sources: Wikidata, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Research

63,150 papers

via PubMed

~40 min read

Encyclopedic overview

Apparent magnitude −2.48 to +7.25 Absolute magnitude (H) −0.4 Angular diameter 4.5–13″ Atmosphere Surface pressure trace (≲ 0.5 nPa) Composition by volume atomic oxygen

sodium

Excerpted from Wikipedia’s “Mercury” article, available under the CC BY-SA 4.0 licence.

Gallery (12)

Available in 248 languages

Show 229 more

via Wikidata sitelinks · CC0