Dictionary of Space Concepts

Short Definition
Neptune is the eighth planet in our solar system and a gas giant characterized by its intense blue color. With its strong winds, reaching speeds of over 1,000 miles per hour, and its features such as dark spots and atmospheric disturbances, Neptune offers scientists a subject of study, providing insights into the dynamics and composition of outer gas giants.

Detailed Definition
Neptune is a gas giant, primarily composed of hydrogen and helium, with a distinct bluish colouration that is a result of its atmospheric methane content. One of the defining characteristics of Neptune is its size. It has a diameter of about 49,500 kilometres, making it nearly four times the size of Earth. It is also the fourth-largest planet by diameter and the third-most massive planet in our solar system, with a mass seventeen times that of Earth. This immense size contributes to the planet's powerful gravitational pull, which has a significant influence on the surrounding space.
Neptune is known for its dynamic and violent atmospheric conditions. It experiences extremely high wind speeds, reaching astonishing velocities of over 1,600 kilometres per hour - the fastest in the solar system. These powerful winds create distinct cloud formations and atmospheric bands that can be observed from space. From its immense size and atmospheric composition to its fierce winds and intriguing dark spots, this gas giant remains a source of fascination and wonder.

Etymology
The name "Neptune" originates from Roman mythology. In Roman mythology, Neptune was the god of the sea, freshwater, and earthquakes. The planet Neptune was named after this deity due to its deep blue colour, reminiscent of the vastness of the sea.

 

Sample Sentence(s)

"Neptune is the only giant planet that is not visible without a telescope." Miner, E. D. (Invalid Date). Neptune. Encyclopedia Britannica. https://www.britannica.com/place/Neptune-planet

 

Translations of Terms/Concepts into Partner Languages

French
Neptune

German
Neptun

Italian
Nettuno

Polish
Neptun

Swedish
Neptunus

 

Additional Translations of Terms/Concepts into Other Lang...

 Dutch

Neptunus

Turkish

Neptün

Spanish

Neptuno

Links to Videos/Articles:

●       Miner, E. D. (Invalid Date). Neptune. Encyclopedia Britannica. https://www.britannica.com/place/Neptune-planet

·       Moses, J. A., Cavalié, T., Fletcher, L. N., & Roman, M. R. (2020). Atmospheric chemistry on Uranus and Neptune. Philosophical Transactions of the Royal Society A, 378(2187), 20190477. https://doi.org/10.1098/rsta.2019.0477 

●       In Depth | Neptune – NASA Solar System Exploration. (n.d.). NASA Solar System Exploration. https://solarsystem.nasa.gov/planets/neptune/in-depth/

●       National Geographic. (2019, March 28). Neptune 101 | National Geographic [Video]. YouTube. https://www.youtube.com/watch?v=NStn7zZKXfE

●       Astrum. (2016, October 13). Our Solar System’s Planets: Neptune [Video]. YouTube.