Not exact matches
The 1,100 - mile -
wide planetoid lies 8 billion miles from the sun — three times as distant as Pluto — but its elongated 10,000 - year
orbit will eventually sweep it more than 80 billion miles out, deep into the mysterious Oort cloud
where comets originate.
Edwards's response: Make the ribbon's base mobile so that it can dodge the biggest pieces that NASA tracks (a 30 - to 60 - foot movement would be needed every six days); make the ribbon
wider in low Earth
orbit,
where debris is most plentiful; and regularly patch small gashes.
The larger planet will hurl its smaller sibling into a much
wider orbit, about 100 times as
wide as Pluto's,
where it will go into a deep freeze.
Confirming previous modelling of multiple star systems with relatively
wide orbits such as the Alpha Centauri system, the RECONS astronomers found that Alpha Centauri A and B
orbit in such a way that when the light and heat of the two stars was combined, neither star in the innermost AB system significantly changed the size of their respective habitable zones, regardless of
where each was currently located in its
orbit.