-
practical heliometers. As far as we[who?] can ascertain,
Joseph von Fraunhofer, some time not long
before 1820,
constructed the
first heliometer with an...
-
Fraunhofer heliometer by Bessel) were the
first ones in
history to
establish the
reliable distance scale to the stars. A
large heliometer was installed...
-
Retrieved 12
March 2013. "A
paper from
University of
Bologna describing Heliometers in
Italian Cathedrals". Cis.alma.unibo.it. 6
December 1995. Archived...
- instruments,
including two
meridian circles from
Repsold and Reichenbach, and a
heliometer from Fraunhofer. The
scientific activity of Gauss,
besides pure mathematics...
-
pioneering work for
modern astronomy. He also
measured star
distances with
heliometers. His, and his collaborators',
great practical works of star cataloging...
- 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...
- 113M. doi:10.1002/asna.18680710802. Gill, David; Elkin, W. L. (1885). "
Heliometer-Determinations of
Stellar Parallax in the
Southern Hemisphere". Memoirs...
- on
astrophotography and spectroscopy, and the
related instrument, the
heliometer, was used to
calculate the
distance to
another star for the
first time...
- 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...