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Mercury

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

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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

AI overview

Mercury is the smallest planet in our Solar System and the one closest to the Sun, with a rocky surface and temperatures that swing wildly between extremely hot and extremely cold. Understanding Mercury helps scientists learn how planets form near stars and how extreme environments can exist in space.

AI-generated from the Wikipedia summary — may contain errors.

Research

63,150 papers

via PubMed

Wikidata facts

Demonym
Mercurien
Area
74800000
Distance from Earth
217000000
Diameter
4878
Radius
2439.7
Mass
330
Orbital period
87.969
Image
Mercury in color - Prockter07 centered.jpg
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Commons category
Mercury (planet)
orbital eccentricity
0.20563593
flattening
0
Commons gallery
Mercury (planet)
semi-major axis of an orbit
0.38709893
orbital inclination
7.00497902
argument of periapsis
29.124
longitude of ascending node
48.33076593
Unicode character
synodic period
115.88
albedo
0.068
periapsis
46001009
apoapsis
0.4667008
magnetic moment
40000000000000000000
surface gravity
3.7278
mean anomaly
174.796
volume as quantity
60830000000
density
5.427
right ascension
281.01
declination
61.414
temperature
700
apparent magnitude
1.9
angular diameter
13
IPA transcription
mɛʁˈkuːɐ̯
rotation period
5097600
Sources (15)

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Article

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

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