Dental development. All 20 baby teeth usually come in by the time your child is three years old. Tooth eruption varies from child to child. Most children start to get teeth around six months, but it is not unusual for teeth to begin appearing as early as three months or as late as one year.
The median annual wage for astronomers was $104,100 in May 2015. The median wage is the wage at which half the workers in an occupation earned more than that amount and half earned less. The lowest 10 percent earned less than $52,460, and the highest 10 percent earned more than $166,320. The median annual wage for physicists was $111,580 in May 2015. The lowest 10 percent earned less than $55,610, and the highest 10 percent earned more than $185,230.
If you want to become a nuclear physicist, you first need to determine if this career path is a good fit for you.uclear Physicist Salary United States: According to the United States Bureau of Labor Statistics, the median salary level of workers in the Physicists and Astronomers occupational group is $105,430 per year.