ball

Summary

ball ranks in the top 2% of general entities by monthly Wikipedia readership (206 views/month).^[1]

Key Facts

• ball's image is recorded as Blue-sphere.png^[2].
• ball's subclass of is recorded as solid figure^[3].
• ball's subclass of is recorded as convex set^[4].
• ball's subclass of is recorded as hyperball^[5].
• ball's Commons category is recorded as Spheres^[6].
• ball's has part is recorded as spherical segment^[7].
• ball's Freebase ID is recorded as /m/0156sn^[8].
• ball's NL CR AUT ID is recorded as ph386369^[9].
• ball's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary^[10].
• ball's described by source is recorded as Small Brockhaus and Efron Encyclopedic Dictionary^[11].
• ball's described by source is recorded as Desktop Encyclopedic Dictionary^[12].
• ball's described by source is recorded as Armenian Soviet Encyclopedia, vol. 3^[13].
• ball's has characteristic is recorded as surface area^[14].
• ball's has characteristic is recorded as volume^[15].
• ball's different from is recorded as sphere^[16].
• ball's different from is recorded as open ball^[17].
• ball's different from is recorded as Shar^[18].
• ball's different from is recorded as ball^[19].
• ball's defining formula is recorded as \left{ \vec{x} : ||\vec{x} - \vec{x_0}||^2 \le r^2 \right}^[20].
• ball's defining formula is recorded as \left{ \vec{x} : ||\vec{x} - \vec{x_0}||^2 < r^2 \right}<sup id="cite-C20" class="cite-ref" title="ball — defining formula (P2534): \left{ \vec{x} : ||\vec{x} - \vec{x_0}||^2 < r^2 \right}">[21].
• ball's studied by is recorded as solid geometry^[22].
• ball's BabelNet ID is recorded as 00845677n^[23].
• ball's MathWorld ID is recorded as Ball^[24].
• ball's nLab ID is recorded as ball^[25].
• ball's has boundary is recorded as sphere^[26].

Body

Works and Contributions

Things named for ball include Earth^[27], an inner planet of the Solar System^[28], founded in -4540000000^[29].

Why It Matters

ball ranks in the top 2% of general entities by monthly Wikipedia readership (206 views/month).^[1] ball has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.^[30] ball is known by 35 alternative names across languages and contexts.^[31]

Entities named for ball include Earth^[27], an inner planet of the Solar System^[28], founded in -4540000000^[29].