8) how do we know when the solar system formed? usually we say that the solar system is 4.5 billion years old. to what does this age correspond?

We can look at the oldest meteorites, or the ones which show the most extreme lead ratios, to try and estimate the age of the solar system: we get a figure of around 4,568 billion years if we do that.The age of the solar system is defined to be the same as the age of its oldest members, which are the primitive meteorites. We use the radioactive materials in such meteorites to date them.To know about meteorites click here:https://brainly.com/question/1207919?referrer=searchResults