Were Mercury and Mars separated at birth?

New Scientist ^ | Monday, January 19, 2009 | unattributed

[SunkenCiv]

Note: this topic is from 01/19/2009. Adding, not pinging.

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[Rebelbase]

Obviously Mercury was the runt of the litter.

[SunkenCiv]

In the Solar System, among major bodies, Mercury’s density is just behind Earth’s.

[snip] Mercury is composed of metals and silicate material. Mercury’s mean density is the second-highest in the Solar System, which is estimated to be 5.427 g/cm3 – only slightly less than Earth’s density of 5.515 g/cm3.However, if the effects of gravitational compression – in which the effects of gravity reduce the size of an object and increases its density – then Mercury is in fact more dense than Earth, with an uncompressed density of 5.3 g/cm3¯ compared to Earth’s 4.4 g/cm3¯. [/snip]

http://www.universetoday.com/36935/density-of-the-planets/

[Rebelbase]

A tough little runt!

[SunkenCiv]

MARS AND EARTH MAY NOT HAVE BEEN EARLY NEIGHBORS
Astrobiology Magazine | 18 Dec, 2017 | Joelle Renstrom
Posted on 12/19/2017 7:27:49 PM PST by MtnClimber
http://www.freerepublic.com/focus/chat/3615189/posts

[SunkenCiv]

Note: this topic is from 01/19/2009. Just a little update.

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