Sentences with phrase «surrounded by an asteroid»
One middle - aged star, known as HD 69830, appears to be surrounded by an asteroid belt that is 25 times as dense as the one in our solar system, possibly the remnants of a rocky planet that never formed.
http://discovermagazine.com/ Not exact matches
Large asteroids, such as Chariklo and Chiron, only a few hundred kilometres in diameter, are also surrounded by rings.
Some say it could be because of its interior dynamics, some say it could be surrounded by a swarm of asteroids and debris.
The Sun and its surrounding matter, including asteroids, comets, planets, and moons, held together by the Sun's gravitational influence.
Artistic representation of the triple asteroid system showing the large 270 - km asteroid Sylvia surrounded by its two moons, Romulus and Remus.
The meteorite is an achondrite, a relatively rare type of space rock that comes from a planet or big asteroid — something large that generated enough internal heat early in its history to melt partially, producing a metallic core surrounded by rock.
The primary asteroid of the system may have a dense, regularly - shaped core, surrounding by a fluffy or fractured material.