Discover published sets by community

Water, an important molecule for life; exists on celestial bodies such as comets, moons, and exoplanets.

Helium, produced during Big Bang nucleosynthesis; the second most abundant element in the Universe.

Carbon dioxide, a molecule that can be found in the atmospheres of planets and as ice in molecular clouds.

Sodium chloride, also known as table salt, has been detected in the atmosphere of an exoplanet.

Acetylene, a hydrocarbon used in stellar atmosphere studies to understand carbon-based chemistry.

Formaldehyde, an organic molecule found in the interstellar medium; involved in the synthesis of more complex molecules.

Carbon monoxide, abundant in the interstellar medium; it is used as a tracer for molecular hydrogen.

Hydrogen sulfide, a toxic gas found in the interstellar medium; also known for its 'rotten egg' smell.

Calcium, a metal that forms dust in the interstellar medium; contributes to the spectrum of stars.

Nickel, an element produced in large stars and found in meteorites; contributes to the metal content of planetary cores.

Nitrogen, makes up a significant portion of Earth's atmosphere and is found in the interstellar medium.

Phosphorus, a key element for life, found in the interstellar medium; plays a role in the formation of biomolecules.

Ammonia, found in the atmospheres of gas giant planets and in the interstellar medium; used in the synthesis of organic molecules.

Trihydrogen cation, plays a critical role in ionizing molecular clouds and initiating a chain of interstellar chemistry.

Argon, a noble gas found in planetary atmospheres and known for its lack of chemical reactivity.

Methanol, an organic molecule found in the interstellar medium; serves as a building block for more complex organic molecules.

Hydrogen, the most abundant element in the Universe, often forming molecular hydrogen (H2) which is essential in star formation.

Ethane, a simple molecule found in the atmosphere of Titan and other celestial bodies; a hydrocarbon like methane.

Methane, a simple organic molecule found in planetary atmospheres, such as Titan's, and in the interstellar medium.

Sulfuric acid, detected in aerosol form in the atmosphere of Venus; its presence indicates volcanic or lightning activity.

Silicon dioxide, a dust component in the interstellar medium; prevalent in rocky planets and meteoroids.

Sulfur, an element participating in sulfur-based chemistry in interstellar clouds; essential for some biological processes.

Neon, a noble gas with a distinct glow when ionized; found in stars and is used as a tracer for cosmic radiation.

Iron, a heavy element created in supernovae; plays a role in star formation and planet composition.

Carbon, a versatile element that is the backbone of organic chemistry and found throughout the Universe.

Ozone, a form of oxygen that absorbs harmful ultraviolet radiation; found in the atmospheres of planets.

Oxygen, in molecular form is essential for life on Earth, and it's present in low abundance in the interstellar medium.

Hydrogen cyanide, a compound detected in interstellar clouds; can give rise to amino acids and nucleotides.

Silicon, found in cosmic dust and rocky planets; essential for silicate minerals in the Universe.