Star Walk is your personal planetarium that can answer to all your curiosities about the sky! For anyone who is interested in stargazing, amateurs or professionals Star Walk makes discovering more than 9,000 stars, planets, constellations, messiers as beautiful and easy as it has never been before!
Star Walk features and how to use them:
DIGITAL COMPASS: tilt your iPad and the ''Star Spotter'' function will be activated, a live representation of what you see in the sky will appear on your display and the sky will start following your movements right, left, up, and down.
TIME MACHINE: tap the clock icon and scroll the time slider to watch the sky tonight or lets say two years from now. Travel in time and observe night sky on your birthday, be a part of astronomical events like eclipses and meteor showers.
SKY LIVE Window: open up the new window by tapping the moon-shaped button to see moon phases, elevation, and rising data for the Sun, Venus, Mercury, Jupiter, and Saturn.
PICTURE of the DAY: Tap the right hand corner menu button, select glowing "Picture of the Day" button and a list of pictures will open in front of you. To learn more about the pictures tap the -i- icon on the top right hand corner.
BOOKMARKS: save a reminder of beautiful night sky observations, bookmark it on your iPad and view it at any time.
VIEW from the EARTH: Automatic and manual selection of locations on a 3D globe.
MOON PHASES: select the SKY LIVE window and see the moon phases for several days. Change the date on the top to see the moon phases for the past or for the future. Or zoom in the image of Moon and scroll the time slider.
Wikipedia LINKS: select one celestial body and tap the - i - icon to activate the magnifier and read main information about it. To know more tap the Wiki icon at the bottom of the table and the Wikipedia page will open up.
SEARCH celestial objects: you can also search for stars, planets, and messier objects by their names and see where they are on the sky tonight and when they are going to be visible in your region.
SETTINGS: with the settings you can modify user preferences like you can change the screen to night mode, select brightness of the stars (change stars magnitude with a slider), put sounds and music on or off, switch on or off the constellations images.
HELP GUIDE: the help tab includes some basic instruction on how to use time machine and location selection. FAQ section includes some common questions from our users and answers to them. For any doubts, suggestions or concerns contact us via support e-mail, Twitter or Facebook fan page.

What's New in This Release:

· "Frost" feature removed

What's New in 5.5:

The update employs new technology introduced in iOS 5:

· Twitter Enhanced for iOS 5
· #starwalk Community: a new interface for communication between Star Walk users all over the world
· The Twitter messages that include #starwalk will appear on a spinnable globe: a great way to communicate with stargazers all over the world

The update also includes lots of minor tweaks and bug fixes:

· Improved AirPlay
· Fixed Dec and Asm for some stars
· Bug with Star Spotter on iPod 4 with iOS 5 fixed

What's New in 5.4:

· External HD TV support improvement: lets explore the Universe on a large external screen with friends or classmates.
· The multi-wavelength view of the Sky: lets you explore our Galaxy and the distant Universe in a range of wavelengths from X-rays to the longest radio waves.
· The official partnership of StarWalk project with ESA (European Space Agency): more valuable and proofread content in the app.

What's New in 5.3:

· Now the StarWalk database includes up to 8000 artificial satellites such as
· New video tutorial for quick overview of main features and how-to instructions

What's New in 5.1.2:

· Optimization: runs faster and smoother
· Less space on your device: app size reduced by 40%
· Bug fix