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You know how sometimes you approach an intersection you've been through before, but it's your first time approaching it from that direction? But you can recognise it anyway?
Your brain picks up on some distinctive features (a tall tree, an advertising billboard, etc) and their arrangement with each other, and fits what you're seeing into a mental 3D map which already had that intersection in it.
We can do the same with what's in space, with the help of our computers. We have a 3D map of space with a lot of distinctive features. Pick a spot in space, choose a camera angle and we can generate the image of what you would see if you were there. In fact, you can do that on your phone.
We can work in the opposite direction, too,like approaching that traffic intersection from a new direction. Put a starship in a random location, point the instruments at the sky (it's all sky) and collect the relative arrangement of some distinctive objects. The computer will figure out where it is. Of course, you can save a lot of unnecessary computation if you narrow the field to "within a day's travel of where we were yesterday".
Fun fact: back in the 60's when the SR-71 Blackbird spy plane was developed, they needed a navigation system which could accurately position the plane and they couldn't depend on navigational beacons when flying over enemy territory. So they built something which would look at the stars and figure out its location. It say behind the pilot and had a domed lens on top, and when Star Wars came out it became known as R2-D2.
Greetings, fellow space enthusiasts!
I've released a major update to the Galaxy Map on both iOS and Android featuring 3D models of some amazing galactic structures in the Milky Way and its neighborhood. There are more than 30 3D structures of nebulae, supernovae and star clusters including Helix Nebula, GK Persei, Cat's Eye Nebula, Kepler's Supernova, Ring Nebula, Engraved Hourglass Nebula and many more.
I'm looking to expand the number of 3D structures - so, if you have any ideas of some amazing nebula or supernova that I may have missed, please leave a comment below. Photos would be great too!
Here are the download links:
If you have the time, please leave me a rating or a review on the app store.
Here are 10 codes for iOS:
And 10 for Google Play:
Enjoy!
Greetings, fellow space enthusiasts!
I've released a major update to the Galaxy Map on both iOS and Android featuring 3D models of some amazing galactic structures in the Milky Way and its neighborhood. There are more than 30 3D structures of nebulae, supernovae and star clusters including Helix Nebula, GK Persei, Cat's Eye Nebula, Kepler's Supernova, Ring Nebula, Engraved Hourglass Nebula and many more.
I'm looking to expand the number of 3D structures - so, if you have any ideas of some amazing nebula or supernova that I may have missed, please leave a comment below. Photos would be great too!
Here are the download links:
If you have the time, please leave me a rating or a review on the app store.
Here are 10 codes for iOS:
And 10 for Google Play:
Enjoy!
Greetings, fellow space enthusiasts!
I've released a major update to the Galaxy Map on both iOS and Android featuring 3D models of some amazing galactic structures in the Milky Way and its neighborhood. There are more than 30 3D structures of nebulae, supernovae and star clusters including Helix Nebula, GK Persei, Cat's Eye Nebula, Kepler's Supernova, Ring Nebula, Engraved Hourglass Nebula and many more.
I'm looking to expand the number of 3D structures - so, if you have any ideas of some amazing nebula or supernova that I may have missed, please leave a comment below. Photos would be great too!
Here are the download links:
If you have the time, please leave me a rating or a review on the app store.
Here are 10 codes for iOS:
And 10 for Google Play:
Enjoy!
Greetings, fellow space enthusiasts!
I've recently launched three Android space apps on Google Play. The first one is a map of our galaxy, the Milky Way, inspired from the concept art image from NASA. Here is the download link: Galaxy Map.
The second one is a star map that can access over 248.000 stars and 14 black holes in the online database. The map is divided into 10 parsec sectors (cubes) or 32.62 light years. Sector (0 ,0 ,0) is our home sector and Sol is the Solar System. Here is the download link: Star Map.
The third app combines the apps above into a single one, for a small fee. There are no advertisments in this app. Here is the link for the paid app Galaxy Map Pro.
And here are 10 Android promo codes for the Galaxy Map Pro app:
Enjoy!