Sentences with phrase «formed young solar system»
«Even if our formation wasn't triggered by a supernova, the presence of decay products of certain radioactive elements points to a supernova perhaps seeding the already formed young solar system with enriched elements.»
http://discovermagazine.com/ Not exact matches
Two specks of rock that formed when Earth was young suggest we've got to rethink everything from the story of the solar system to the origins of life
Most scientists think that the moon formed in the earliest days of the solar system, around 4.5 billion years ago, when a Mars - sized protoplanet called Theia whacked into the young Earth.
In 1796 he proposed our solar system formed from a great cloud of gas and dust spinning around the young sun.
There's an intriguing twist, too: Jayawardhana and others have shown that young brown dwarfs generally do not have massive protoplanetary disks of gas and dust, which means that if the new object is indeed a planet, it may not have formed the same way planets in our solar system did.
The outer, round cloud would have taken about a billion years to form, making it the youngest structure in the solar system.
So the conclusion was the gas - giant cores must have formed before dissipation of the solar nebula — the gaseous circumstellar disk surrounding the young sun — which likely occurred between 1 million years and 10 million years after the solar system formed.
From these measurements, the researchers calculated the D - to - H ratio — a chemical fingerprint that provides clues about exactly where comets (or asteroids) formed within the cloud of material that surrounded the young sun in the early days of the solar system.
Future research will examine how young solar systems form and change over time.
«Since many young stars form in multiple systems, we have to realize that the evolution of disks around them and the possible formation of planetary systems can be way more complicated and perturbed than in a simple case like our solar system,» Furlan added.
Studying younger solar systems such as 51 Eridani will help astronomers understand the formation of our neighbor planets, and how common that planet - forming mechanism is throughout the universe.
Formed by the impact of a large asteroid or comet, Caloris is one of the largest, and possibly one of the youngest, basins in the Solar System.