![HongKong Tennis Open on Twitter: "#PHKTOdoyouknow Fact 5: If the earth = a tennis ball, the distance between earth/sun would be 21.5 tennis courts long http://t.co/DmyRJ4ZkYT" / X HongKong Tennis Open on Twitter: "#PHKTOdoyouknow Fact 5: If the earth = a tennis ball, the distance between earth/sun would be 21.5 tennis courts long http://t.co/DmyRJ4ZkYT" / X](https://pbs.twimg.com/media/CLISKKyUMAAph49.png:large)
HongKong Tennis Open on Twitter: "#PHKTOdoyouknow Fact 5: If the earth = a tennis ball, the distance between earth/sun would be 21.5 tennis courts long http://t.co/DmyRJ4ZkYT" / X
![If the Earth were the size of a grain of sand, the Sun would be the size of a tennis ball – Factourism If the Earth were the size of a grain of sand, the Sun would be the size of a tennis ball – Factourism](https://factourism.com/wp-content/uploads/2019/01/tennis-sun.png)
If the Earth were the size of a grain of sand, the Sun would be the size of a tennis ball – Factourism
![Five jumping yellow tennis balls on the court outdoors. Sun shines on them so they drop shadows, Stock Photo, Picture And Low Budget Royalty Free Image. Pic. ESY-054416963 | agefotostock Five jumping yellow tennis balls on the court outdoors. Sun shines on them so they drop shadows, Stock Photo, Picture And Low Budget Royalty Free Image. Pic. ESY-054416963 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/9e789a9dd6bc934638cfeb6ba4219cf7/esy-054416963.jpg)
Five jumping yellow tennis balls on the court outdoors. Sun shines on them so they drop shadows, Stock Photo, Picture And Low Budget Royalty Free Image. Pic. ESY-054416963 | agefotostock
![Tennis Ball In The Sun Stock Photo - Download Image Now - Horizontal, No People, Photography - iStock Tennis Ball In The Sun Stock Photo - Download Image Now - Horizontal, No People, Photography - iStock](https://media.istockphoto.com/id/149813777/photo/tennis-ball-in-the-sun.jpg?s=1024x1024&w=is&k=20&c=k0c7Tf6R4NbMlaOwdok7tW3zUJ7ZWxbwcl8jNCojhYo=)
Tennis Ball In The Sun Stock Photo - Download Image Now - Horizontal, No People, Photography - iStock
![Fans are only just realising why tennis balls are yellow… and it's all thanks to David Attenborough | The US Sun Fans are only just realising why tennis balls are yellow… and it's all thanks to David Attenborough | The US Sun](https://www.the-sun.com/wp-content/uploads/sites/6/2023/08/photograph-marc-aspland-times-9-3947726.jpg?strip=all&quality=100&w=1920&h=1440&crop=1)
Fans are only just realising why tennis balls are yellow… and it's all thanks to David Attenborough | The US Sun
![A Man's Hand Holding A Tennis Ball Up To A Blue Sky With The Sun Behind It. Stock Photo, Picture And Royalty Free Image. Image 5391346. A Man's Hand Holding A Tennis Ball Up To A Blue Sky With The Sun Behind It. Stock Photo, Picture And Royalty Free Image. Image 5391346.](https://previews.123rf.com/images/katielittle25/katielittle250908/katielittle25090800025/5391346-a-man-s-hand-holding-a-tennis-ball-up-to-a-blue-sky-with-the-sun-behind-it.jpg)
A Man's Hand Holding A Tennis Ball Up To A Blue Sky With The Sun Behind It. Stock Photo, Picture And Royalty Free Image. Image 5391346.
![Tennis Ball Backlit By The Fading Sun Stock Photo - Download Image Now - 2015, Competition, Green Color - iStock Tennis Ball Backlit By The Fading Sun Stock Photo - Download Image Now - 2015, Competition, Green Color - iStock](https://media.istockphoto.com/id/480297166/photo/tennis-ball-backlit-by-the-fading-sun.jpg?s=1024x1024&w=is&k=20&c=l095fkrTYTEmsFkZiZbrMvkox1PzP8dV5IscoS9G5XY=)
Tennis Ball Backlit By The Fading Sun Stock Photo - Download Image Now - 2015, Competition, Green Color - iStock
![Yellow tennis ball, illuminated by the sun, in the hand of a child under the open sky Stock Photo - Alamy Yellow tennis ball, illuminated by the sun, in the hand of a child under the open sky Stock Photo - Alamy](https://c8.alamy.com/comp/E177M5/yellow-tennis-ball-illuminated-by-the-sun-in-the-hand-of-a-child-under-E177M5.jpg)
Yellow tennis ball, illuminated by the sun, in the hand of a child under the open sky Stock Photo - Alamy
![Yellow Tennis Ball, Illuminated By The Sun, In The Hand Of A Child Under The Open Sky. Stock Photo, Picture And Royalty Free Image. Image 116626042. Yellow Tennis Ball, Illuminated By The Sun, In The Hand Of A Child Under The Open Sky. Stock Photo, Picture And Royalty Free Image. Image 116626042.](https://previews.123rf.com/images/sergunt/sergunt1902/sergunt190200140/116626042-yellow-tennis-ball-illuminated-by-the-sun-in-the-hand-of-a-child-under-the-open-sky.jpg)
Yellow Tennis Ball, Illuminated By The Sun, In The Hand Of A Child Under The Open Sky. Stock Photo, Picture And Royalty Free Image. Image 116626042.
![Yellow tennis ball, illuminated by the sun, in the hand of a child under the open sky Stock Photo - Alamy Yellow tennis ball, illuminated by the sun, in the hand of a child under the open sky Stock Photo - Alamy](https://c8.alamy.com/comp/E177M3/yellow-tennis-ball-illuminated-by-the-sun-in-the-hand-of-a-child-under-E177M3.jpg)