Discover published sets by community

Water, found in comets, planets, stars, and molecular clouds.

Carbon Dioxide, found in the atmospheres of planets such as Venus, Mars, and Earth.

Ammonia, found in the atmospheres of gas giants like Jupiter and in interstellar ice.

Methane, found on planets like Earth, and moons like Titan.

Carbon Monoxide, found in the atmospheres of some planets and stars, and in interstellar medium.

Oxygen, a component of the Earth's atmosphere and produced by photosynthesis.

Nitrogen, makes up the majority of the Earth's atmosphere and is found on other planets as well.

Silicon Dioxide, found in dust and planetary bodies, commonly known as quartz on Earth.

Molecular Hydrogen, the most abundant molecule in the universe, found in stars and gas giant planets.

Ethane, found in atmospheres of planets like Neptune and in interstellar medium.

Hydrogen Sulfide, found in gas giant planets and some volcanic moons.

Sulfur Dioxide, found in volcanic gases, including those on Io, one of Jupiter's moons.

Hydrogen Cyanide, found in the interstellar medium and molecular clouds.

Acetylene, found in the atmosphere of gas giants and in the interstellar medium.

Nitrous Oxide, found in small amounts in the Earth's atmosphere.

Ozone, found in the Earth's stratosphere as the ozone layer.

Nitric Oxide, found in planetary atmospheres and interstellar medium.

Benzene, presence suggested in interstellar space.

Buckminsterfullerene, detected in space via its emissions.

Methanol, found in comets and the interstellar medium.

Ethylene, detected in the atmospheres of gas giants and in interstellar clouds.

Hydrogen Chloride, observed in the atmospheres of Mars and Venus.

Sodium Chloride, detected in the atmospheres of some exoplanets.

Iron(II) Oxide, present in the dust of Mars and on other planetary bodies.

Silicon Monoxide, found in stardust and as a part of silicate minerals in space.

Trihydrogen cation, found in interstellar space and in giant planet atmospheres.

White Phosphorus, suggested by astronomers to possibly exist in stellar nurseries.

Helium, second most abundant element in the observable universe, found in stars and gas giant planets.

Potassium Chloride, found in some mineral deposits on Mars.

Elemental Sulfur, can be found around sulfur-rich volcanic regions on moons and planets.

Argon, a component of the Earth's atmosphere and found in the atmospheres of other planets

Neon, found in the atmospheres of gas giants and stars.

Hydrogen Fluoride, found in interstellar gas clouds.

Formic Acid, detected in interstellar medium.

Magnesium Chloride, speculated to be found in interstellar ice and dust.

Titanium Dioxide, found in the atmospheres of cool stars.