A particle of rock or dust in space that orbits the sun. A meteoroid that has entered the earth's atmosphere and beginsâ¦. Meteoroids that survive the fall through the atmosphere to reaâ¦. An extra-spectacular meteor seen by observers over a wide area.
Read MoreNest egg advice: Location, location, location. Living comfortably on $40,000 a year in retirement, which would require a $1 million nest egg by the time you reach the retirement age, will depend on your expenses, investment returns and health-care costs.
The bottom line is, the size of your nest egg depends on how much you plan to spend. The cost of a middle-class retirement at age 65 can vary from $250,000 to $750,000 for a couple, and $325,000 to $675,000 for a single.