Google has released a new version of Google Earth. With version 4.2 you can now not only explore the earth, but you can lift up your sights and explore the sky. What’s different this time is that this version is available simultaneously for Mac and Windows. With the original version of Google Earth, Mac users had to wait for Google to release a Mac OS X version. This is another indication that Google is trying to be more Mac friendly. After all, Google’s CFO sits on Apple’s board. I’m sure Steve Jobs is making sure that the biggest search engine and free software developer plays nice with Mac.