I picked "no", but I don't think it should be considered a subcontinent. Simply put, Europe was last a separate continent in the Paleozoic, and it certainly is *much* larger than India or Arabia.
I think physicists have postulated something like this for a long time. The basic mechanism would involve putting one "end" of a wormhole in a deep gravity well, such as very near a neutron star or black hole, where gravitational time dilation would pile up an offset between the two ends. When...
You could see the Moon from Mars with the naked eye; however, it would be several times fainter, and would not show up in the short exposure that Spirit took.
This is pretty straightforward, in the simplest case. Just calculate the parameters of an orbit with its perihelion at Earth's orbit, and aphelion where it intersects Mars' orbit. Take half the orbital time (say 190 days), and calculate how far Mars would move in that interval. Launch on the...
Question 1--simple answer:
Imagine the weather map as a literal topographic map, with the high pressure areas as domes, and the low pressure ones as low whirlpools. This visual model will show why low pressure will always be diverted around or stopped by high pressure; they can't cancel each...