Floor to Floor Height (mm). This is the measurement from the floor where your ladder sits to the floor of the room above, usually your loft/attic. You will need this measurement for Sliding, Concertina and Telescopic Loft Ladders as these all need to be fitted to the loft floor using brackets normally.Floor to Ceiling Height (mm). This is the measurement from the floor where your ladder sits to the ceiling of the same room.You will need this measurement for Folding style Loft Ladders or Integrated frame and hatch.oft Opening Measurement. This measurement is for the maximum size of the hole that can be made in your loft to be able to fit your new Loft Ladder. Other things to consider are where the joists are, and possibly boilers, chimneys, cables and any other obstructions.
A habitable zone, sometimes called a Goldilocks zone, is the region around a star where orbiting planets similar to the Earth can support liquid water.
A new definition of the habitable zone around planets, denoting where liquid water could exist, shifts Earth toward the very edge of the solar system's own habitable zone. Credit: PHL @ UPR Arecibo, Rogelio Bernal Andreo View full size image. One of the most important characteristics of an alien planet is whether or not it falls into what's called the habitable zone Â­â a Goldilocks-like range of not-too-close, not-too-far distances from the parent star that might allow the planet to host life.