The telescope at Rangapur has been used for photoelectric observations of binary stars, peculiar stars, pulsating stars, star clusters and also for the spectroscopic study of binary stars and peculiar stars.  The telescope is also used for obtaining scientific information on comets, planetary atmospheres and near Earth Asteroids.  The department obtained two 12-inch telescopes from the UGC-SAP funds.  These telescopes are being used by the students for their practicals and in their research projects.  In addition, a 10 feet radio telescope operating at 10GHZ was installed at Japal-Rangapur Observatory in  1980 for conducting research on the Sun.

Date Of Cancellation:-16.02.1980.

A Special cover was released in Chennai on 07 April 2011 to mark the Wind Power international Conference and Exhibition.

A total solar eclipse occurred on October 24, 1995. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partially obscuring Earth’s view of the Sun. A total solar eclipse occurs when the Moon’s apparent diameter is larger than the Sun, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across the surface of the Earth, while a partial solar eclipse will be visible over a region thousands of kilometers wide.

Date Of Issue:-24.10.95

Germany issued a set of stamps to mark the 1969 Garden show under the theme nature needs protection . This show was famous for the roses displayed. The cover & Cancellation shows a Rose.

A Stamp issued by Qatar to mark 75th Anniversary of WHO showing an Aircraft spraying  as part of Insecticide Control Mission.

In 2010, the United States Mint will issue 56 quarter-dollar coins featuring designs depicting national parks and other national sites as part of the United States Mint America the Beautiful Quarters Program.

The five quarters to be released in 2010 will honor Hot Springs National Park Arkansas, Yellowstone National Park in Wyoming, Yosemite National Park in California, Grand Canyon National Park in Arizona and Mount Hood National Forest in Oregon.

A 20c stamp was issued by USA on 30 June 1982 to commemorate 50 Years of International Peace Garden.

The International Peace Garden is located in the state of North Dakota and the province of Manitoba, Canada  and symbolizes the harmony in which the two nations live along the longest unfortified boundary in the world. The gardens, located in the Turtle Mountains, consist of more than 2,300 acres.

This stamp shows a Rose and has a Zip Code tab.

A Se-tenant Pair on Elephants issued as  Thailand – South Africa Joint issue in 2003 . This Pair issued by Thailand. It also commemorates 10 Years of Diplomatic relations between two countries.

Asian and African Elephants

Date Of Issue:-05.06.2010.

Date of Issue:-05.06.2010.

The United Nations declared 2010 to be the International Year of Biodiversity. It is a celebration of life on earth and of the value of biodiversity for our lives. The world is invited to take action in 2010 to safeguard the variety of life on earth: biodiversity.The International Year of Biodiversity is a unique opportunity to increase understanding of the vital role that biodiversity plays in sustaining life on Earth.

Humans are part of nature’s rich diversity and have the power to protect or destroy it.Biodiversity , the variety of life on Earth is essential to sustaining the living networks and systems that provide us all with health, wealth , food, fuel and the vital services our lives depend upon.Biodiversity is our life.

Date Of Issue:-05.06.2010.

Denomination :-Rs 20/ and Rs 5/

A post Card of Bangladesh with Special Cancellation on 24 May 2008 issued  on National Tree Plantation Campaign 2008 .

Bangladesh issued a Presentation Pack  ” World Heritage The Sunderbans “.

Date of Issue -18 April 2008.

Contents – One Miniature Sheet -Imperf – Four Stamps

One Miniature Sheet – Perf – Four Stamps

One Block of Four Stamps

The Theme of Stamps Royal Bengal Tiger , Spotted Deer and  Sunderban Delta