Definitions. The terms Unaccompanied minors, unaccompanied alien children, child migrants, child immigrants, unaccompanied migrant children, and juvenile immigrants are often used interchangeably and generally refer to immigrants who are under the age of 18 and are not under the care of a parent or legal guardian.
Regulus is 0.46 degree from the ecliptic, the closest of the bright stars, and is regularly occulted by the Moon. Occultations by the planets Mercury and Venus are possible but rare, as are occultations by asteroids. The last occultation of Regulus by a planet was on July 7, 1959, by Venus.
If the circle is divided into sectors, such that each arc length is equal to the radius of the circle, the central angle in such a sector is called a radian/ rad. So relations between them: 1 grad = 910 degrees and 1 degree = 109grad. 1 rad = 180Ï degrees and 1 degree = Ï180 rads.