Masses

Here are the planets of the solar system arranged in order of increasing mass:

1. Mercury - 3.3 x 10²³ kg
2. Mars - 6.4 x 10²³ kg
3. Venus - 4.9 x 10²⁴ kg
4. Earth - 5.97 x 10²⁴ kg
5. Uranus - 8.68 x 10²⁵ kg
6. Neptune - 1.02 x 10²⁶ kg
7. Saturn - 5.68 x 10²⁶ kg
8. Jupiter - 1.90 x 10²⁷ kg

Note that the masses listed above are approximate values and are given in kilograms (kg). The masses of the planets vary greatly depending on their size, density, and composition.

👔 Why can't current theories describe what happened during the Planck era?

Question

Why can't current theories describe what happened during the Planck era?


Answer

A) We do not know how hot or dense the universe was during that time.

B) We do not understand the properties of antimatter.

✓ C) We do not yet have a theory that links quantum mechanics and general relativity.

D) The Planck era was the time before the Big Bang, and we cannot describe what happened before that instant.

Maxwel's Equations

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