percysunshine
Diamond Member
It cannot be seen because it emits no light of its own. It is inferred that it is there because of gravitational effects perceived to occur in the oort cloud (which itself is inferred as it has not been "seen" either. The oort cloud is the hypothesised origin of the comets that frequently pass into the inner solar system. The only way to "see" Tyche would be to have a probe travel to where it is mathematially calculated to be, or long exposure photography from the HST or if it happens to occlude a star and we happen to be luckily looking at the right patch of sky at the time.
Soooo...it is an inference from an inference...
Funny how science wanders down these paths.
Sorta.
Science, like me, based on failure, mistakes, questions, error, stupidity, assumption without cause, and postulation. Emperical evidence then proves fact over matter. That is the nature of Discovery. Very few involved in science or technology or the like are legends in their own mind, since everything becomes awe and wonder.
My whole program is based on what I do not know. It is the joy of discovery.
It is very much the words of Carl Sagan's "The Pale Blue Dot".
Robert
Carl Sagan predicted in 1991 that the Gulf War oil field fires would freeze the planet into an ice ball.
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