in fact, t it isn’t possible, in any practical terms, to draem to scale. Even if you added lots of fold-out pages to your textbooks or used a reallylong s of poster paper, you come close. On a diagram of tem toscale, o about ter of a pea, Jupiter ao (and about terium, so you be able to see it anyauri, our nearest star, ten t Jupiter tence, and Pluto o ill be over ty-five feet away.
So tem is really quite enormous. By time anning, life-giving Sun—o t is little more t star. In suco understand significant objects—Pluto’s moon, for example—tention.
In t, Pluto il tions, Neptune to to contain ty moons. total no least ninety,” about a t t ten years.
t to remember, of course, is t actually knoem.
Noice as Pluto is t Pluto. If you cinerary, you trip to tem, and I’m afraid t. Pluto may be t object marked onscs, but tem doesn’t end t, it isn’t even close to endingt get to tem’s edge until celestial realm of drifting comets, and reac cloud for anot ten ter edge of tem, asto is barely one-fifty-the way.
Of course o tillrepresents a very big undertaking for us. A manned mission to Mars, called for by tPresident Bus of passing giddiness, ly dropped it $450 billion and probably result in torn to tatters by icles from w be shielded).
Based on ely no prospectt any tem—ever. It is just too far.
As it is, even elescope, see even into t cloud, so actually kno it is ts existence is probable but entirely ical.
*About all t can be said t cloud is t it starts someretco t ofmeasure in tem is tronomical Unit, or AU, representing tance from*Properly called t cloud, it is named for tonian astronomer Ernst Opik, ence in 1932, and for tcronomer Jan Oort, wions eiger.
to to is about forty AUs from us, t of t cloud about fiftyt is remote.
But let’s pretend again t o t cloud. t tnotice is is out it’s not even test star in t is a remarkable t t tdistant tiny to s in orbit. It’s not a very strongbond, so ts drift i