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.
Find the radius of the star Rigel, the bright blue star in the constellation Orion that radiates energy at a rate of 2.7 x 10^32 W and has a surface temperature of 11,000 K. Assume that the star is spherical. Use Ï =... show more It is a good approximation to assume that the emissivity e is equal to 1 for these surfaces.