-
Meridian circles,
Mural quadrants etc. P****age
instruments (transportable, also for
prime vertical transits)
Zenith telescope Photozenith tube (PZT) zenith...
- ellipsoid – at a
particular observatory, is the
deflection of the
vertical. When the Airy
transit circle was built, a
mercury basin was used to
align the telescope...
- from the
plane established by the Airy
transit,
which is
affected by
vertical deflection (the
local vertical is
affected by
influences such as nearby...
- key
instrument for
determining time was the Airy
Transit Circle (ATC),
which was used
primarily from 1851 to 1938. It was
agreed that the (
Prime) "meridian...
-
after the end of the
transit of the Earth, or only one or two
minutes after the end of the
transit of the Moon. However, the
transit did not
interfere with...
- Earth's flattening.: 5 The 1960s saw the
launch of the
Doppler satellite Transit-1B and the
balloon satellites Echo 1, Echo 2, and PAGEOS. The
first dedicated...
-
Wikinews has
related news: NASA
launches exoplanet-hunting
satellite TESS
Transiting Exoplanet Survey Satellite (TESS,
Explorer 95 or MIDEX-7) is a
space telescope...
-
twelve days
after landing. The
propulsion module,
still operational,
transited back to a high
Earth orbit from
lunar orbit on 22
November 2023 for continued...
- in
their 150-year history. The WHT is
equipped with a wide
range of
instruments operating over the
optical and near-infrared regimes.
These are used...
- day as well as to the
longer lunar day (time
between successive lunar transits) of
about 24
hours 51 minutes.
Atmospheric tides propagate in an atmosphere...