Asteroids are made of rock and metal and broken away pieces of planets. They are grouped into three categories: Stony, Iron-Nickel, and a mixture of the two.Most asteroids th â¦ at we know about fall into the first category, and are made of Silicates. A small percentage are Iron-Nickel.The rest form the third type.steroids are made of rock and metal and broken away pieces of planets. They are grouped into three categories: Stony, Iron-Nickel, and a mixture of the two. Most asteroids th â¦ at we know about fall into the first category, and are made of Silicates. A small percentage are Iron-Nickel. The rest form the third type.
Judicial review is the power of the Supreme Court of the United States to review actions taken by the legislative branch (Congress) and the executive branch (president) and decide whether or not those actions are legal under the Constitution.
Judicial review is one of the checks and balances in the separation of powers: the power of the judiciary to supervise the legislative and executive branches when the latter exceed their authority.