Sentences with phrase «most comets»
Although the earth's orbit around the Sun is almost circular, most comets travel in orbits that are highly elongated ellipses.
scientificamerican.com
They found a path to the sun that looked nothing like the circle or oval traversed by most comets.
The comet is discovered by an amateur, which until recently was how most comets were discovered.
Most comets appear to follow that logic; their D / H ratio is typically about twice what has been measured on Earth.
Comets, like meteorites, are known to carry water and other volatiles, but most comets formed in the far reaches of the solar system in a formation called the Oort Cloud.
Most comets reside unseen in the dark outer reaches of the solar system, frozen relics of the era when the planets formed 4.6 billion years ago.
Like most comets, Churyumov — Gerasimenko has an elliptical orbit — in this case, circling the Sun once every 6.5 years as it travels beyond Jupiter and back inside the orbit of Mars.
Most comets travel in highly elliptical orbits around the Sun.
Most comets are bright with brilliant tails of evaporating ice, and started life in the Oort cloud on the solar system's edges.
But most comets were formed in the icy Oort Cloud, more than 1,000 times more distant than Neptune.
Part of the problem lies in a subtle chemical difference between water on Earth and water in most comets.
Most comets, which consist of water ice, linger at the far reaches of the solar system.
Most comets are located in the Oort Cloud.
The most comets are always visible right before dawn.