2016 Pluto postage stamp commemorate the New Horizons mission's flyby of the dwarf planet.

2016 Mercury postage stamp featuring an enhanced-color image of the planet Mercury, the closest planet to the Sun.

Mars postage stamp

1948 Mount Palomar postage stamp featuring the Palomar Mountain Observatory.

First Moon landing postage stamp

2008 Edwin Hubble postage stamp. The stamp is part of the "American Scientists" series, which was issued on March 6, 2008.

Planets postage stamp

2000 postage stamp, 60 cents, Radio Interferometry showing the Karl G. Jansky Very Large Array (VLA) in New Mexico.

2015 New Horizons postage stamp

2000 Hubbel postage stamp showing image from Galaxy NGC 1316, 33 cents

1973 Copernicus postage stamp commemorating the 500th anniversary of the birth of Nicolaus Copernicus. 8 cents

2009, 0.62 Euro, commemorates the International Year of Astronomy 2009. The stamp features a silhouette of two figures, an adult and a child, looking up at a starry sky.

Antigua & Barbuda postage stamp showing a diagram of a solar eclipse.

Antigua & Barbuda postage stamp commemorating Yuri Gagarin, the first human in space on April 12, 1961.

2009 Armenia postage stamp, 350 Armenian dram, shows the Byurakan Observatory, located in Armenia.

2022 Armenia postage stamp, 380 Armenian dram, commemorates the 100th anniversary of the birth of astronomer Grigor Gurzadyan.

2022 Armenia postage stamp, 500 Armenian dram, commemorates the Starmus VI International Festival that combines science, art, and music to promote science communication. The sixth edition, Starmus VI, was held in Yerevan, Armenia, from September 5 to 10, 2022.

2021 Armenia postage stamp, 230 Armenian dram, commemorates the 100th year anniversary of the birth of Soviet mechanical engineer Alexander Kemurdzhian.

2014 Aruba postage stamp showing the planet Uranus.

1971 Ascension Island postage stamp commemorating the Danish astronomer Tycho Brahe and his astronomical work. It includes an illustration of Tycho Brahe's observatory, Uraniborg, on the island of Hven, and a mural quadrant, a large astronomical instrument used to measure the altitude of celestial objects. A depiction of the supernova of 1572, also known as "Tycho's Star," which appeared in the constellation Cassiopeia.

2009 Azerbaijan postage stamp showing the the Shamakhi Astrophysical Observatory. The denomination is 60 qəp (60 qapik).

2009 Azores postage stamp featuring an observatory dome under a starry night sky. The stamp is part of the "Europa" series and has a value of 0.68 Euros.

2018 Canada postage stamp, showing a photo of the Milky Way. The stamp was created to commemorate the 150th anniversary of the Royal Astronomical Society of Canada. It shows several constellations and celestial objects, including Aquila, Vulpecula, Sagittarius, Ophiuchus, Serpens Cauda, and Saturn.

Chile postage stamp commemorating the La Silla Observatory located in the Atacama Desert. The observatory is operated by the European Southern Observatory (ESO).

Chile postage stamp commemorating the total solar eclipse that occurred on July 2, 2019. The stamp shows different phases of the eclipse, including the "diamond ring" effect, the corona, and the chromosphere.

2017 China postage stamp featuring an illustration of the Five-hundred-meter Aperture Spherical Telescope (FAST), also known as "Tianyan" (天眼), which means "Eye of Heaven" in Chinese. The denomination of the stamp is 1.20 yuan.

Christmas Island postage stamp, AUS $2, Sir Harold Spencer-Jones

2009 Czech Republic postage stamp honoring the astronomer Johannes Kepler. The text "Astronomia nova 1609" refers to his book New Astronomy, which contained his first two laws of planetary motion. The value of the stamp is 17 Czech Koruna (Kč).

1961 Czechoslovakia postage stamp commemorating the Soviet space probe Luna 1. The stamp has a face value of 60h, which stands for 60 hellers, a former currency of Czechoslovakia.

1942 Denmark postage stamp marking the 300th anniversary of the Rundetaarn (Round Tower) in Copenhagen. The tower was completed in 1642. The Rundetaarn was built by King Christian IV of Denmark as an astronomical observatory for the University of Copenhagen.

1984 Germany postage stamp honoring German astronomer and mathematician Friedrich Wilhelm Bessel

500 Pfennig Germany postage stamp showing the Effelsberg 100-meter Radio Telescope located in Bad Münstereifel, Germany.

1982 India postage stamp, showing the Ooty Radio Telescope located in Muthorai, near Ooty, in southern India.

2009 Iran postage stamp, showing a diagram from the book al-Tafhim by the 10th-century Persian polymath, Abu Rayhan Biruni. The diagram illustrates the phases of the moon and solar and lunar eclipses.

1990 Japan postage stamp showing the 1936 painting "Women Observing Stars" by Ōta Chōu (1896-1958).

1978 Korea postage stamp to commemorate the completion of the Sobaeksan Astronomical Observatory, which is located on Mt. Sobaeksan in South Korea.

1973 Liberia postage stamp commemorating the 500th anniversary of the birth of Nicolaus Copernicus. It also shows an illustration of an Orbiting Astronomical Observatory (OAO) satellite.

2009 Malta postage stamp commemorating the International Year of Astronomy. It shows the Great Telescope of William Lassell, which was set up in Malta between 1861 and 1865. The background shows the Orion Nebula (M42), which Lassell observed from Malta.

2009 Morocco postage stamp commemorating the International Year of Astronomy. he stamp features an illustration of a man, possibly Galileo Galilei, with a telescope and what appears to be the Hubble Space Telescope.

1985 Nicaragua postage stamp to commemorating the return of Halley's Comet. It shows the Hale Telescope at Palomar Mountain. It also shows the Herschel Telescope, which was a large reflecting telescope built by William Herschel in the late 18th century. The stamp has a value of 15.00 Nicaraguan córdobas ("1500 C").

Philippines postage stamp commemorating the total solar eclipse of 1988.

1953 Poland postage stamp honoring the Polish astronomer and mathematician, Mikołaj Kopernik, known in English as Nicolaus Copernicus. Copernicus is famous for formulating the heliocentric model of the universe, which placed the Sun at the center instead of the Earth. The stamp includes his birth and death years, 1473–1543, and shows him holding a diagram of the heliocentric system.

5K rubles

1961 space pilot, 4K rubles

1961 Yuri Gagarin, 3K rubles

1964, 10K rubles

1972, 6K rubles

1981, 15K rubles

1989, 15K rubles

1963 Valentina Tereshkova
10K rubles
Wikipedia

1983 Svetlana Savitskaya
10K rubles
Wikipedia

2009 Slovenia postage stamp commemorates the 50th anniversary of the Golovec Observatory and the International Year of Astronomy.

2007 Spain postage stamp featuring the Yebes Astronomical Center (Centro Astronómico de Yebes) located in Yebes, Castilla-La Mancha, Spain.

Sweden postage stamp showing an armillary sphere, an astronomical instrument designed by Tycho Brahe.

2020 Taiwan postage stamp depicting a total solar eclipse.

1979 Tyvalu postage stamp commemorating the bicentenary of Captain James Cook's death. It depicts Captain Cook and his crew observing the 1769 transit of Venus from Tahiti.