vs

Earth vs. Sun , 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.

The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma, with internal convective motion that generates a magnetic field via a dynamo process.

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Earth
Sun

Difference and similar

Absolute magnitude

Earth

-26.7

Sun

4.83

Visual brightness

Earth

Sun

−26.74

Mean distance from Earth

Earth

Sun

1 au ≈ 1.496×108 km

Spectral classification

Earth

Sun

G2V

Metallicity

Earth

Sun

Z = 0.0122

Angular size

Earth

384,000 km

Sun

31.6–32.7 minutes of arc

Adjectives

Earth

Sun

Solar

Mean distance from Milky Way core

Earth

About 100,000 light yearsor about 30 kpc

Sun

Galactic period

Earth

Sun

2.25–2.50)×108 yr

Velocity

Earth

460 m/s

Sun

  • ≈ 220 km/s (orbit around the center of the Milky Way)
  • ≈ 20 km/s (relative to average velocity of other stars in stellar neighborhood)
  • ≈ 370 km/s (relative to the cosmic microwave background)

Equatorial radius

Earth

6378.1 km (3963.2 mi)

Sun

695,700 km

Equatorial circumference

Earth

40,075 km

Sun

4.379×106

Flattening

Earth

Sun

9×10−6

Surface area

Earth

510.1 million km²

Sun

6.09×1012 km2

Volume

Earth

1.08321×1012 km3

Sun

1.41×1018 km3

Mass

Earth

5.97237×1024 kg

Sun

(1.98855±0.00025)×1030 kg

Average density

Earth

5.51 g/cm³

Sun

1.408 g/cm3

Center density

Earth

5,515 kg/m3

Sun

162.2 g/cm3

Equatorial surface gravity

Earth

Sun

274.0 m/s2

Moment of inertia factor

Earth

Sun

0.070 (estimate)

Escape velocity

Earth

11.186 km/s

Sun

617.7 km/s

Temperature

Earth

15°C (59°F)

Sun

  • Center (modeled): 1.57×107 K
  • Photosphere (effective): 5,772 K
  • Corona: ≈ 5×106 K

Luminosity

Earth

3.828×1026 W

Sun

3.828×1026

Mean radiance

Earth

Sun

2.009×107 W·m−2·sr−1

Age

Earth

4.543 billion years

Sun

≈ 4.6 billion years