Short-period comets need roughly 200 years or less to complete one orbit, long-period comets take more than 200 years, and single-apparition comets are not bound to the sun, on orbits that take them out of the solar system, according to NASA.
Yes, you can invest in both an IRA and a 401k (or a Roth 401k and a Roth IRA) at the same time, or any combination of those accounts. And in some cases, based on the fees in your 401k, an IRA might actually be a better place to invest your money.
1. There are restrictions on how much you can contribute to different accounts. The 2015 contribution limit for a 401(k) is $18,000; $24,000 if youâre 50 and over. Then you can also deposit up to $5,500 in a Roth or traditional IRA for 2015 ($6,500 if youâre 50 and up).Thatâs the combined limit for both types of IRAs, by the way. You canât put, say, $5,500 each into an IRA and a Roth IRA.. Roth accounts (tax-free on withdrawal) . Whether youâre dealing with an individual Roth account or a Roth 401(k) (a relatively new type of retirement plan), you deposit after-tax dollars, and your savings grow tax-free. The ability to contribute to a Roth IRA is subject to an income cap (see âRestrictionsâ below).