Asteroids and
other rocky objects sailing through space are prime candidates.
Not exact matches
In the second paper, physicist Dejan Vinković of the University of Split in Croatia developed a model that shows how a combination of stellar wind and infrared radiation from the inner disk can blow the ultrafine crystallized silicate particles billions of kilometers from the inner regions of a protoplanetary disk to its colder outer sections, where comets and
other cold but
rocky objects, such as Pluto, can form.
It may be as large as 1,100 miles in diameter, and it has a mysterious deep red surface — neither particularly dark, like a typical
rocky object, nor bright and icy like Pluto and
other Kuiper belt
objects.
«If there is water in Kuiper belt - like
objects around
other stars, as there now appears to be, then when
rocky planets form they need not contain life's ingredients,» said Siyi Xu, the study's lead author, a postdoctoral scholar at the European Southern Observatory in Germany who earned her doctorate at UCLA.
The
object is to navigate your spaceship around caves,
rocky debris, comets and
other obstacles.