This example was used by Colin Lamont, official timekeeper, instrument maker and teacher of mathematics in Greenock. Comments are closed for this object Share this link: ...

Object Details maker Henry Barrow & Co. Description Soon after becoming Superintendent of the U.S. Coast Survey in 1843, Alexander Dallas Bache ordered a dip circle from Henry Barrow (1790-1870), ...

Astronomers have discovered the third known interstellar object, designated as 3I/Atlas. The object was initially spotted on 1 July by a telescope in Chile, and was provisionally designated as A11pl3Z ...

The James Webb Space Telescope has snapped a stunning image of a perfectly formed Einstein ring, which is also the most distant gravitationally lensed object ever detected.

The radius of the first circle is shown as 3cm. They then increase by 2cm each time: 5cm → 7cm → 9cm → 11cm. So, the radius of the largest circle is 11cm.

Astronomers have discovered another mysterious and massive circle of radio light in space. The strange and vast circle of light is an example of an ORC (Odd Radio Circle), the origins of which are ...

This example was used by Colin Lamont, official timekeeper, instrument maker and teacher of mathematics in Greenock. Comments are closed for this object Share this link: ...