Back in 2009, when HTC HD2 was released, many people complained that it had a huge screen: a 4.3-inch display. Now it seems quite small. Even iPhone's 3.5-inch display seemed very big back in 2007. As you can see, context matters and it puts things into perspective.
When searching Google for [Saturn size], you used to get an answer that was useful, but not that revealing. So the radius is 58,232 km (36,184 miles). It's obviously very large, but how does it compare to other planets? Now Google shows other planets and their size below the answer.
Search for [Earth mass] and Google shows that Venus has almost the same mass, while Jupiter's mass is 317.8 times bigger.
The instant answer for [Earth surface area] confirms that Earth and Venus are close in size.
What about gravity? Pretty close.
"The solar system is a pretty big place. To get a quick refresh on astronomy, you can ask Google 'What is the surface area of Earth?' and find out that it's 196.9 million square miles. But how BIG is that? Clearly not as large as some of our waistlines post-holidays—but is it larger or smaller than Jupiter? The size of Earth makes more sense when considered relative to the surface area of other planets; Earth is similar in size to Venus but more than 100 times smaller than Jupiter! Google now provides these comparisons, helping you understand the world (or solar system) around you," informs Google.
For now, this feature is only available for astronomy-related questions. You can find some similar comparisons when you search for things like [China GDP] or [India population].
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