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Astronomy
#3
There's some controversy about whether the Earth would remain in existence or get pulled into the bloated-but-dying Sun. All orbits would move away from the Sun, but the expanding Sun would still catch up at the least with Mercury and Venus. The Earth is borderline on whether it would be consumed.

If the outermost layer of the solar atmosphere reaches the Earth, then frictional drag will pull what remains of the Earth. Volatile substances like water itself, sulfur, phosphorus compounds, and the carbon dioxide that gets released from rocks will have long gone. Silica will melt and evaporate and vanish with the solar wind, leaving the heavy, hot, iron-rich core with perhaps some metal oxides (calcium, magnesium, aluminum, and titaniaum oxides, largely) behind.

If frictional drag from the Sun's gases should get in the way of the Earth's core, then the Earth's core will spiral into the Sun. As it vaporizes it will be assimilated into the Sun and likely sink into the core of the Sun due to its density. Metal oxides will of course disintegrate, along with such refractory material as diamonds and graphite.
The ideal subject of totalitarian rule is not the convinced Nazi or the dedicated Communist  but instead the people for whom the distinction between fact and fiction, true and false, no longer exists -- Hannah Arendt.


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Messages In This Thread
Astronomy - by radind - 05-13-2016, 03:57 PM
RE: Astronomy - by radind - 05-17-2016, 11:59 AM
RE: Astronomy - by pbrower2a - 05-18-2016, 07:25 AM
RE: Astronomy - by radind - 05-18-2016, 10:29 AM
RE: Astronomy - by pbrower2a - 05-18-2016, 05:18 PM
RE: Astronomy - by radind - 06-10-2016, 04:20 PM
RE: Astronomy - by Odin - 06-11-2016, 08:56 AM
RE: Astronomy - by radind - 06-11-2016, 10:34 AM
RE: Astronomy - by Odin - 06-11-2016, 12:25 PM
RE: Astronomy - by Odin - 06-11-2016, 12:54 PM
RE: Astronomy - by pbrower2a - 06-11-2016, 08:36 PM
RE: Astronomy - by radind - 06-15-2016, 06:46 PM
RE: Astronomy - by pbrower2a - 06-17-2016, 02:18 PM
RE: Astronomy - by pbrower2a - 09-19-2016, 08:55 PM
RE: Astronomy - by pbrower2a - 10-02-2016, 12:34 PM
RE: Astronomy - by Eric the Green - 11-27-2016, 01:07 AM
RE: Astronomy - by pbrower2a - 10-21-2017, 05:04 PM
RE: Astronomy - by pbrower2a - 11-22-2017, 09:27 PM
RE: Astronomy - by pbrower2a - 03-12-2018, 04:40 AM
RE: Astronomy - by pbrower2a - 06-10-2018, 09:29 PM
RE: Astronomy - by pbrower2a - 06-10-2018, 09:47 PM
RE: Astronomy - by pbrower2a - 01-19-2020, 05:46 AM
RE: Astronomy - by pbrower2a - 12-21-2020, 02:42 AM
RE: Astronomy - by pbrower2a - 12-21-2020, 03:54 PM
RE: Astronomy - by Eric the Green - 12-22-2020, 12:21 AM
RE: Astronomy - by pbrower2a - 09-08-2022, 10:30 PM

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