Excel 4.0 Workbook. .xlw. An Excel 4.0 file format that saves only worksheets, chart sheets, and macro sheets. You can open a workbook in this file format in Office Excel 2007, but you cannot save an Excel file to this file format.
According to scientists, the surface of Neptune is one of the coldest places in the Solar System. At its surface, where the clouds of the planet touch space, the temperature of Neptune can dip down to 55 Kelvin. Thatâs -218 degrees Celsius. Neptune and its Great Dark Spot.
Neptune's temperature is around 72 degrees Kelvin, which is about 200 degrees colder than the Earth.omparing Neptune to Earth, the planet Neptune has a larger gravitational pull the the Earth. It is about 14% larger in comparison to the Earth's gravitational pull.