First up, welcome to the dozen or so new members who've joined since
we've set up the databases. To emphasise the shift in direction for
the group (and also to stimulate a little debate), here are a few
thoughts I've had as a result of researching the planets database.

I was intrigued to discover that RTD took the name Sycorax from the
moon of Uranus discovered in 1997 (as well as it being the name of
Caliban's mother from the Tempest).

Sycorax, the 17th Moon of Uranus, is a ball of rock and ice some 190
km in diameter. It is believed to be a "captured Kuiper Belt object".

Kuiper Belt objects are small planetoids beyond the orbit of Neptune
(between 30 and 50 AU from the Sun).

The presence of the Sycorax using rock-based vessels in the solar
system suggests to me that they may come from the outer solar system,
possibly from within the Kuiper Belt.

Further, the reference to the Sycorax ability to summon a fleet (and
there's nothing to suggest they have FTL capacity) suggests that
similar ships might exist nearby.

Imagine the repercussions of the Sycorax living so close (in galactic
terms) to Earth.

Then there's Mondas.

I struggle to understand how the planet could ever travel beyond the
Kuiper Belt before returning to Earth, especially when there are a
host of occupied trans-neptunian worlds from Triton (home of the Waro)
to Xena and Gabrielle, to Vulcan, Desperus ("the prison planet of the
solar system"), Voga/Neo-phobus (from Revenge of the Cybermen) and
Yuggoth (a Darkling colony).

So there's plenty for the Cybermen to mine and interact with at the
outer reaches of the solar system, and good reason for them and the
Sycorax to be arch enemies...

SPECULATIVE SPOILER
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...well-suited to going to war with each other at the end of Series 2.

Thoughts?

AD