- A
heliometer (from Gr**** ἥλιος hḗlios "sun" and measure) is an
instrument originally designed for
measuring the
variation of the Sun's
diameter at different...
-
Fraunhofer heliometer by Bessel) were the
first ones in
history to
establish the
reliable distance scale to the stars. A
large heliometer was installed...
- artists. It can be
found at
Piazza degli Aragonesi. The
cathedral has a
heliometer (solar observatory)
dating to 1690, one of a
number built in
Italy in...
- the best out of his instruments. His
solar parallax observations with a
heliometer and his
calculations of
distances to the
nearer stars, are
testimony to...
- on
astrophotography and spectroscopy, and the
related instrument, the
heliometer, was used to
calculate the
distance to
another star for the
first time...
- laws of
planetary motion, Gill
conceived that in
pioneering the use of a
heliometer, he
would be able to
accurately measure the
position of Mars
while in...
-
parallax during the same transit. Both
parties used a
specially designed heliometer for this purpose. A
crater on Mars was
named in his honor. Description...
- A
student of
Friedrich Bessel, he
observed with the
famous Königsberg
heliometer. In 1853 he
published a
determination of the
parallax of
Groombridge 1830...
- 113M. doi:10.1002/asna.18680710802. Gill, David; Elkin, W. L. (1885). "
Heliometer-Determinations of
Stellar Parallax in the
Southern Hemisphere". Memoirs...
- instruments,
including two
meridian circles from
Repsold and Reichenbach, and a
heliometer from Fraunhofer. The
scientific activity of Gauss,
besides pure mathematics...
