Earth mass facts for kids
Quick facts for kids Earth Mass |
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19th-century illustration of Archimedes' quip of "give me a place to stand on, and I will move the earth"
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| General information | |
| Unit system | astronomy |
| Unit of | mass |
| Symbol | M⊕ |
| Conversions | |
| 1 M⊕ in ... | ... is equal to ... |
| SI base unit | (5.9722±0.0006)×1024 kg |
| U.S. customary | ≈ 1.3166×1025 pounds |
Earth mass (M⊕) is the unit of mass equal to that of the Earth. 1 M⊕ = 5.97219 × 1024 kg. Earth mass is often used to describe masses of rocky terrestrial planets.
The three other terrestrial planets of the Solar System, Mercury, Venus, and Mars, have masses of 0.055, 0.815, and 0.107 Earth masses respectively.
Images for kids
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Pendulums used in Mendenhall gravimeter apparatus, from 1897 scientific journal. The portable gravimeter developed in 1890 by Thomas C. Mendenhall provided the most accurate relative measurements of the local gravitational field of the Earth.
See also
In Spanish: Masa de la Tierra para niños
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Earth mass Facts for Kids. Kiddle Encyclopedia.