hubble telescope

Essay specific features

 

Issue:

Technology

 

Written by:

Philip L

 

Date added:

March 27, 2014

 

Level:

University

 

Grade:

A

 

No of pages / words:

4 / 1116

 

Was viewed:

3854 times

 

Rating of current essay:

 
Essay content:

After being deployed, astronomers immediately found out that the telescope could not be focused. They found the problem and discovered that the primary mirror had been ground to a wrong dimension at the Perker-Elmer Corporation's factory. Although the defect in the mirror was less than one-fifth the size of a human hair, it was enough for the Hubble Telescope to suffer from spherical aberration, light reflected from the mirror's edge gets focused to a slightly different point than light reflected from the center, and produce fuzzy, unclear images...
displayed 300 characters

Custom written essay

All essays are written from scratch by professional writers according to your instructions and delivered to your email on time. Prices start from $11.99/page

Order custom paper

Full essays database

You get access to all the essays and can view as many of them as you like for as little as $28.95/month

Buy database access

Order custom writing paper now!

  • Your research paper is written
    by certified writers
  • Your requirements and targets are
    always met
  • You are able to control the progress
    of your writing assignment
  • You get a chance to become an
    excellent student!

Get a price guote

 
 

Although the defect in the mirror was less than one-fifth the size of a human hair, it was enough for the Hubble Telescope to suffer from spherical aberration, light reflected from the mirror's edge gets focused to a slightly different point than light reflected from the center, and produce fuzzy, unclear images...
displayed next 300 characters

General issues of this essay:

Related essays: