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- Siderostat | Telescope, Reflection Mirror | Britannica
siderostat, any of a class of astronomical instruments consisting of a flat mirror that is turned slowly by a motor to reflect a given region of the sky continuously into a fixed telescope In the traditional siderostat, the mirror is rotated by a lever arm connected to a motor that turns at a rate of one revolution every 24 hours
- 10 - Siderostats and coelostats - Cambridge University Press Assessment
The positions of the stars on this sphere are given by coordinates similar to those of latitude and longitude on Earth, but known generally as declination (latitude) and celestial longitude, measured westward from ‘the first point of Aries’
- Heliostat - Wikipedia
A heliostat (from Ancient Greek ἥλιος (hḗlĭos) 'sun' and στατός (stătós) 'standing') is a device that reflects sunlight toward a target, turning to compensate for the Sun's apparent motion The reflector is usually a plane mirror The target may be a physical object, distant from the heliostat, or a direction in space
- What is A Siderostat – Device to Follow Stars in the Solar System
Its main purpose is to throw back the sun’s or a specific star’s rays in a fixed position It should be operated with precision, so it means that it works only if you properly provide the right data Lastly, it is mainly composed of a mirror Usually, this apparatus is used for special observations of the stars or the sun itself
- SIDEROSTAT Definition Meaning - Merriam-Webster
The meaning of SIDEROSTAT is an equatorially mounted mirror moved by clockwork to reflect the rays of a celestial body observed in a constant usually horizontal direction
- Siderostats | Article about Siderostats by The Free Dictionary
A siderostat is used to direct the rays of a heavenly body into a fixed telescope The mirror of the siderostat rotates around two mutually perpendicular axes A siderostat used to observe the sun is called a heliostat
- Rooftop Telescope Observatory - SaveTheBuhl. org
The siderostat telescope permitted the public to view the night sky while remaining warm and dry, and the tracking mirror took the worry out of moving the telescope to view celestial objects Saturn, Jupiter, Mars, and the moon were popular nighttime objects, and sunspot images were safely projected during the day
- SIDEROSTAT Definition Meaning - Dictionary. com
a telescopic device for reflecting the light of a star in a constant direction, the chief component of which is a plane mirror turned by a clock mechanism to correct for the rotation of the earth
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