Mars
E20154
Mars is the fourth planet from the Sun, a cold, desert-like world often called the "Red Planet" due to its iron-rich surface and a prime target in the search for past or present extraterrestrial life.
Aliases (2)
Statements (63)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
→
celestial body → planet → terrestrial planet → |
| atmosphereComposition |
argon
→
carbon dioxide → nitrogen → |
| atmospherePressure |
less than 1% of Earth’s
→
|
| averageDistanceFromSun |
about 1.52 astronomical units
→
|
| axialTilt |
about 25 degrees
→
|
| belongsTo |
Solar System
→
|
| colorDescription |
Red Planet
→
|
| dayName |
sol
→
|
| discoveryStatus |
known since antiquity
→
|
| equatorialDiameter |
about 6792 kilometers
→
|
| escapeVelocity |
about 5.03 km/s
→
|
| exploredBy |
Curiosity rover
→
ExoMars Trace Gas Orbiter → Ingenuity helicopter → MAVEN → Mariner 4 → Mars Express → Mars Pathfinder → Mars Reconnaissance Orbiter → Opportunity rover → Perseverance rover → Spirit rover → Tianwen-1 → Viking 1 → Viking 2 → |
| hasFeature |
ancient river valleys
→
dust storms → impact craters → |
| hasGeologicalEvidenceOf |
past liquid water
→
|
| hasNaturalSatellite |
Deimos
→
Phobos → |
| hasSeason |
autumn
→
spring → summer → winter → |
| mass |
about 6.39×10^23 kilograms
→
|
| meanRadius |
about 3389.5 kilometers
→
|
| namedAfter |
Roman god of war
→
|
| numberOfMoons |
2
→
|
| orbitalPeriod |
about 687 Earth days
→
|
| orbits |
Sun
→
|
| polarCapComposition |
frozen carbon dioxide
→
water ice → |
| positionInSolarSystem |
fourth planet from the Sun
→
|
| potentialForHumanExploration |
considered candidate for future crewed missions
→
|
| rotationPeriod |
about 24.6 hours
→
|
| scientificInterest |
search for past life
→
search for present microbial life → study of planetary climate evolution → |
| surfaceCharacteristic |
cold desert-like terrain
→
iron-rich dust → |
| surfaceFeature |
Olympus Mons
→
Tharsis volcanic plateau → Valles Marineris → polar ice caps → |
| surfaceGravity |
about 3.71 m/s²
→
|
| surfaceTemperatureRange |
approximately −125°C to 20°C
→
|
| yearLengthRelativeToEarth |
about 1.88 Earth years
→
|