A Rare Celestial Spectacle of the Century
A
rare celestial spectacle of the century, the transit of Venus occurred on 5th & 6th
June, 2012 and was visible to most parts of the globe. While revolving round
the Sun, when the planet Venus remains between the Sun and the Earth in a
straight line and on the same plain, we notice the Venus appear as a small
dark disk crossing on the face of the bright Sun. Transits of Venus are among
the rarest of predictable celestial phenomena and occur in pairs, eight years apart, which are
themselves separated by more than a century. The previous transit of Venus took place on
8 June 2004 after a gap of 121 1/2 years. The
previous pair of appearances of transit of Venus were on the 9th December 1874 and 6th
December 1882. Again after 105 1/2 years
the next pair of transits will occur on 10–11 December, 2117 and in
December 2125.
On
June 6th from sunrise to
10.22 A.M. the people of our country witnessed the century’s last transit of
Venus. The planet Venus appeared as a small, dark disk moving across the face of
the Sun. In India the transit began in early morning and observers across the
country cannot see the first contact of transit. The transit already started
at the time of sunrise. As the Venus completely removed from the disk of the
Sun at 10.22 A.M., the transit observers got a chance of more than 5 hours to
witness the event. The Astronomers, Amateur Astronomers, Scientists,
Students, Teachers and Common people (once in life time for many of them)
observed the last transit of the
century with great interest.
In our
state of Odisha many organisations like Pathani Samanta Planetarium, Samanta
Chandrasekhar Amateur Astronomers’ Association (SCAAA), Institute of Physics,
Regional Science Centre, Vigyan Chetana Manch (Cuttack), C.V. Raman Science
Academy (Jajpur) and many colleges and schools conducted transit observation
programmes. SCAAA in collaboration with Institute of Physics jointly arranged
the transit observation programme in the premises of Institute of Physics,
Bhubaneswar. The image of the transit of Venus was projected on a screen using telescopes
for safer observation. Simultaneously LCD projector was used to present the event
through computer software. Besides above, safe viewing goggles, wielding
glass (point 14 shade), mirror projection etc. were used for safe observation
of the transit.
The
members of SCAAA started witnessing the event from the beginning i.e. from
the sunrise. Scientists and staff members of Institute of Physics and their family members participated in the
programme and witnessed the event. The students and faculties of NISER and general public observed this rare
event with great interest. Similarly in Pathani Samanta Planetarium, Regional
Science Centre, Ravenshaw University campus and other places people witnessed
the movement of the planet Venus over the disk of the Sun.
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TRANSIT OBSERVATION PHOTOGRAPHS
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Our equipments |
Prof. L Satpathy using a welding glass watching Venus transit |
Hand made filter set to watch the event |
Worldwide observation of the Transit of Venus
Visibility map
The entire transit was visible
from the western Pacific Ocean, northwesternmost North America,
northeastern Asia, Japan, the Philippines, eastern Australia, New Zealand, and high Arctic locations including northernmost Scandinavia, and Greenland. In North America, the Caribbean, and northwestern South America, the beginning of the
transit was visible on 5 June until sunset. From sunrise on 6 June,
the end of the transit was visible from South Asia, the Middle East, east Africa, and most of Europe. There were a number of live online
video streams with footage from telescopes around the world.
In Los Angeles, crowds jammed Mount Hollywood where the Griffith Observatory set up telescopes for the public to
view of the transit. In Hawaii, hundreds of tourists watched the event on Waikiki Beach where the University of Hawaii set up eight telescopes and two
large screens showing webcasts of the transit. The transit was also observed
and photographed by a flight engineer aboard the International Space
Station, Don
Pettit. High-definition images of the event were provided by NASA's Solar Dynamics
Observatory,
from 36,000 km above the Earth.
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