ID: com.night.sky.wallpaper.rev1517156
Version: 1.1
Size: 15 Mb
Android Version: 2.2 and up
night sky wallpaper Screenshots
What's new in night sky wallpaper 1.1
this application is a live wallpaper or screensaver of night sky wallpaperset the app as live wallpaper to decorate your phone
downloads night sky wallpaper from our store page. we have the best collection of night sky wallpaper. you can also download other live wallpaper in case you don’t find this lwp suitable for you, we had a vast lwp collection.
if there‘s all those stars, why is it dark at night? one hundred billion galaxies, all full of millions of stars, seems like a lot but it isn’t nearly enough to make the night sky as bright as day. if there were an infinite number of stars and the universe was infinitely old, there would be a star everywhere you looked in the night sky and it would be very bright indeed. but the universe isn’t infinitely old. night sky background. it was created approximately 14 billion years ago and since the speed of light is constant, we can only see objects that are less than 14 billion light years away. this means that we are living within a spherical observable universe which is smaller that the total universe and that the light from stars further away from us than 14 billion light years will not have had enough time to reach the earth.
in addition, the universe is expanding and all the galaxies, and their stars, are moving away from us. night sky background. thanks to this, the light from a moving star changes colour in a similar way that sound from a moving ambulance siren changes pitch. the light that we observe from distant receding stars is more red than it would be if they were stationary – the light is red shifted. in many cases the red shift is large enough to move the light out of the visible region of the electromagnetic spectrum.
when distances increase, though, so does the time delay. night sky background. for instance, astronauts on the moon experience a 1.5-second time delay in their communications with mission control due to the time it takes the radio signals (which are a form of light) to travel round-trip between earth and the moon. most astronomers agree that the universe is between 10 and 15 billion years old. night sky background. and that means that the maximum distance from which we can receive light is between 10 and 15 billion light-years away. so even if there are more distant galaxies, their light will not yet have had time to reach us.
feature:
select fps of the live wallpaper
set animation speed of live wallpaper
set live wallpaper size according to your phone screen
night sky wallpaper Permissions
Precise location (gps and network-based) - allows the app to get your precise location using the global positioning system (gps) or network location sources such as cell towers and wi-fi. these location services must be turned on and available to your device for the app to use them. apps may use this to determine where you are, and may consume additional battery powerView wi-fi connections - allows the app to view information about wi-fi networking, such as whether wi-fi is enabled and name of connected wi-fi devices
Full network access - allows the app to create network sockets and use custom network protocols. the browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet
Read the contents of your usb storage - allows the app to read the contents of your usb storage
View network connections - allows the app to view information about network connections such as which networks exist and are connected
Modify or delete the contents of your usb storage - allows the app to write to the usb storage
Approximate location (network-based) - allows the app to get your approximate location. this location is derived by location services using network location sources such as cell towers and wi-fi. these location services must be turned on and available to your device for the app to use them. apps may use this to determine approximately where you are
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