[The Planets] Mercury to Neptune – Some Known Facts

Planets

The universe is a vast expanse filled with countless celestial bodies, each holding its own unique allure and mystery. Among these, the planets in our solar system stand out as some of the most captivating objects for exploration and study.

From the scorching surface of Mercury to the icy depths of Neptune, each planet offers a glimpse into the diversity and complexity of our cosmic neighborhood.

Planets/Features Mercury Venus Earth Mars
Equatorial & Diameter (km) 4,878 12,104 12,756 6,792
Mass (kg) 3.28×1023 4.867×1024 5.972×1024 6.39×1023
Orbital Period (in days) 88 225 365 687
Inclination to Sun’s Equator 3.38° 3.86° 7.25° 5.65°
Rotational Period (in days) and Direction 58.64
East to West
–243.02
West to East
1
East to West
1.03
East to West
Distance from Sun (km) 57.91×106 10.82×107 14.96×107 22.79×107
Gravity (m/s2) 3.7 8.89 9.78 3.71
No. of Moons 0 0 1 2
Axis Tilt 0.04° 177.36° 23.44° 25.19°
Mean density (g/cm3) 5.43 5.25 5.52 3.93
Rings no no no no
Planets/Features Jupiter Saturn Uranus Neptune
Equatorial & Diameter (km) 142,984 120,536 51,118 49,528
Mass (kg) 1.8913×1027 5.683×1026 8.681×1025 1.024×1026
Orbital Period (in days) 4,333 10,756 30,687 60,190
Inclination to Sun’s Equator 6.07° 5.51° 6.48° 6.43°
Rotational Period (in days) and Direction 0.41
East to West
0.43
East to West
–0.72
West to East
0.67
East to West
Distance from Sun (km) 77.85×107 14.33×108 28.77×108 44.98×108
Gravity (m/s2) 24.79 10.44 8.69 11.5
No. of Moons 67 62 27 14
Axis Tilt 3.13° 26.73° 97.77° 28.32°
Mean density (g/cm3) 1.33 0.71 1.27 1.67
Rings yes yes yes yes

As we journey through the planets of our solar system, we are reminded of the incredible diversity and complexity of the cosmos. Each planet offers its own unique story and holds clues to the origins and evolution of our solar system and the universe beyond.

From the scorching deserts of Mercury to the icy depths of Neptune, the planets are a testament to the boundless beauty and wonder of the universe we call home.

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