The Pioneer Anomaly baffled scientists for decades. Phillips Davis Here is a handy chart that students might like to use: 100 centimeters = 1 meter

Sagan argued the now-accepted hypothesis that the high surface temperatures of Venus can be attributed to and calculated using the greenhouse effect.

It uses something like a Roman Numeral “I” (“seriff” with “feet” as opposed to “sans seriff”) this is so that the space aliens would just know that this font change signals the change to calculations unrelated to hydrogen. This site is maintained by the Planetary Science Communications team at, Occator Crater on Ceres' Limb -- Short Exposure, NASA's Perseverance Rover Is Midway to Mars, Juno Data Indicates 'Sprites' or 'Elves' Frolic in Jupiter's Atmosphere, NASA Scientists Discover ‘Weird' Molecule in Titan's Atmosphere, NASA's OSIRIS-REx Spacecraft Goes for Early Stow of Asteroid Sample, New NASA Posters Feature Cosmic Frights for Halloween, NASA's SOFIA Discovers Water on Sunlit Surface of Moon. Pale Blue Dot is a photograph of planet Earth taken on February 14, 1990, by the Voyager 1 space probe from a record distance of about 6 billion kilometers, as part of that day's Family Portrait series of images of the Solar System.

The Pioneer Anomaly baffled scientists for decades. It was meant as a demonstration of human technological achievement, rather than a real attempt to enter into a conversation with extraterrestrials. Thus, the language we are most likely to share is the study of the universe itself: science. Where did the planets come from? One can see that the woman's genitals are not really depicted; only the mons veneris is shown. 85654987980 299792458 meters per second = C (speed of light), 29979245800 centimeters per second = C (speed of light) It is, at the very least, an international language, because there is an implied assertion with every question: there is something we do not know; and with our missions, we learn together.
She co-wrote the 1980 PBS documentary series Cosmos, hosted by Carl Sagan, whom she married in 1981. Humans speak nearly seven thousand languages, some with multiple dialects. On the right side of the plaque, a man and a woman are shown in front of the spacecraft. Pioneer 10 remains more than just a ghost of a ship, and the plaque is more than a shout into the void. One of the parts of the diagram that is among the easiest for humans to understand may be among the hardest for the extraterrestrial finders to understand: the arrow showing the trajectory of Pioneer.

| means 1, and — means 0. The lengths of the lines show the relative distances of the pulsars to the Sun.

Whites, blacks and Asians each tended to think that the figures resembled their own racial group, so, although some people were proud that their race appeared to have been selected to represent all of humankind, others viewed the figures as "terribly racist" for "the apparently blatant exclusion" of other races.

The height of the woman in the diagram is encoded by the |— — —, which is 1000, or 8 in decimal (nevermind that it’s written from the bottom up and one of the horizontal strokes has a defect in it). By extrapolation, it is presumable that an alien language is different than any language we have developed. Rather than the familiar "1" and "0", "I" and "–" are used. Instead of saving it as a text file, the article is saved as artwork, as a jpg file. [4]. This graphic illustrates the interior of Saturn's moon Enceladus.

Carl Sagan, Linda Salzman Sagan and Frank Drake (1972-02-25). The pulsar map and hydrogen molecule diagram are shared in common with the Voyager Golden Record. Pioneer 10, the first probe to leave the solar system, carries a plaque with greetings from Earth's inhabitants.

The result of this conclusion was the Pioneer Plaque. ○   Lettris We probe the unknown looking for answers, venturing to understand the universe as it is—not the way we want it or believe it to be. What would we say?

The countless other species on Earth communicate with innumerably more, nearly all of which we have, thus far, failed to understand.


The Pioneer plaques were a pair of plaques that were launched into deep space on Pioneer 10 and Pioneer 11.

In the center is our home star; the radial spokes signify the relative distances and directions to pulsars—rapidly rotating neutron stars that emit electromagnetic radiation at regular intervals.

conceivable quantities that we might know to ten significant figures…”. 1427583133 This synthetic-aperture radar (SAR) image was obtained by NASA's Cassini spacecraft on July 25, 2016, during its "T-121" pass over Titan’s southern latitudes. For every great scientific discovery and technological advancement, there was a time before, when the universe was a little less known. Company Information 7.004845999 X 10 -10 (period for Hydrogen) = T “The serifs on the binary “ones” are presented to stress that the units are different from those of pulsar length and period.” (RR: Bruce, this is the one you pointed out.

This line indicates the sun's relative distance to the center of the galaxy. This frame from a video from NASA's Dawn mission shows that the gravity field of Vesta closely matches the surface topography of the giant asteroid Vesta. In units of the wavelength of the hyperfine transition of hydrogen this means 8 × 21 cm = 168 cm. Accompanying each line is the period of the respective pulsar—once again, in binary.

Sagan passed along the idea to NASA, and to his surprise, the suggestion was embraced and approved by every level of the hierarchy.

Pluto was considered to be a planet when the plaque was designed; in 2006 the IAU reclassified Pluto as a dwarf planet and then in 2008 as a plutoid.

Behind the figures of the human beings, the silhouette of the Pioneer spacecraft is shown in the same scale so that the size of the human beings can be deduced by measuring the spacecraft. It is this wave that harbors the standard of measure used throughout the illustrations on the plaque.

“The problem of which end of a number is the most significant digit is expressed automatically in this formulation, since all binary numbers start with a 1 but end in a 1 or a 0.” (RR: this is how you know to read the binary numbers correctly, which is in the direction I’ve drawn the arrows).