This syndrome, known as sudden sniffing death, can result from a single session of inhalant use by an otherwise healthy young person. Sudden sniffing death is associated particularly with the abuse of butane, propane, and chemicals in aerosols. Inhalant abuse also can cause death byâ. asphyxiation â from repeated inhalations that lead to high concentrations of inhaled fumes, which displace available oxygen in the lungs;
The biggest difference is that a reflecting telescope uses a mirror to collect and focus the light and a refracting telescope uses lenses for the same purpose. A reflecting â¦ telescope has a concave mirror at the bottom end that reflects the image up to the eyepiece.
A telescope is an instrument used to see objects that are far away. Telescopes are often used to view the planets and stars. Some of the same optical technology that is used in telescopes is also used to make binoculars and cameras. Light gathering ability-The better a telescope can gather light, the better you will be able to see far away stars and faint objects in the night sky. 2  This feature is usually determined by the size of the aperture of the telescope. 3  The larger the aperture, the more light the telescope can gather.