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Earth vs. Mercury , which is better?

Earth is the third planet from the Sun and the only object in the Universe known to harbor life. According to radiometric dating and other sources of evidence, Earth formed over 4.5 billion years ago.

Mercury is the smallest and innermost planet in the Solar System. Its orbital period around the Sun of 87.97 days is the shortest of all the planets in the Solar System. It is named after the Roman deity Mercury, the messenger of the gods.

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Earth
Mercury

Difference and similar

Absolute magnitude

Earth

-26.7

Mercury

-0.6

Mean distance from Earth

Earth

Mercury

77 million km)

Spectral classification

Earth

Mercury

398.4 nm

Metallicity

Earth

Mercury

0.3 AU

Angular size

Earth

384,000 km

Mercury

Adjectives

Earth

Mercury

Mercurian

Mean distance from Milky Way core

Earth

About 100,000 light yearsor about 30 kpc

Mercury

Velocity

Earth

460 m/s

Mercury

0.387 AU = 5.79x107 km

Equatorial radius

Earth

6378.1 km (3963.2 mi)

Mercury

2,440 km

Equatorial circumference

Earth

40,075 km

Mercury

15,329 km

Flattening

Earth

Mercury

< 0.0006

Surface area

Earth

510.1 million km²

Mercury

74.8 million km²

Volume

Earth

1.08321×1012 km3

Mercury

6.083 x 1010 cubic kilometers

Mass

Earth

5.97237×1024 kg

Mercury

3.285 × 10^23 kg

Average density

Earth

5.51 g/cm³

Mercury

5.43 g/cm³

Center density

Earth

5,515 kg/m3

Mercury

5.4 g/cm3

Equatorial surface gravity

Earth

Mercury

10.892 km/h

Escape velocity

Earth

11.186 km/s

Mercury

4.25 km/s

Temperature

Earth

15°C (59°F)

Mercury

-279 Fahrenheit (-173 Celsius)

Luminosity

Earth

3.828×1026 W

Mercury

Age

Earth

4.543 billion years

Mercury

4.6 billion years