The Sun Now

View images of the sun published by NASA's Solar Dynamics Observatory SDO

Flatworld · eu.flatworld.android.sdoviewer

Not rated yet 10K+ downloads v2.0.13 6.2 MB Android 4.4+ PEGI 3 · Everyone

Download APK 6.2 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v2.0.13 (20013)
Updated: May 17, 2026 (5 months ago)
APK size: 6.2 MB
Requires: Android 4.4+ (API 19)
CPU support: Any (no native code)
Category: Education (app)
Listed since: Mar 20, 2021 (at least)
Permissions: 8
Website: flatworld.eu
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

The Sun Now is an app by Flatworld in the Education category, listed since at least March 2021. It has no native code, so it runs on any Android processor.

It asks for 8 permissions, none of them sensitive. It asks for the same permissions as version 2.0.12.

What's new in v2.0.13

Fix solar wind information page

Description

From the listing uploaded by “appupdater”.

View images of the sun published by NASA's Solar Dynamics Observatory. Images are updated about every 15 minutes. IMPORTANT NOTICE: the app shows the images from NASA SDO website. If the website is malfunctioning the app won't be able to download the images and we can't do anything about that. Usually the issues are fixed in a few hours/days. Before leaving a negative review please check the website with your browser (the url is available in the about page). We appreciate your patience. Features: Zoom and pan Set as wallpaper Image descriptions taken from the SDO website Browse historical data Integration with Muzei Live Wallpaper (https://play.google.com/store/apps/details?id=net.nurik.roman.muzei) Solar winds basic data All images and descriptions are courtesy of NASA/SDO and the AIA, EVE, and HMI science teams. http://sdo.gsfc.nasa.gov/ Solar winds data by NOAA Space Weather Prediction Center http://www.swpc.noaa.gov/ Source code available under the Apache License 2.0 at: https://github.com/marcopar/SDOViewer

Version history

3 versions are listed, going back to v2.0.10.

v2.0.13 LATEST May 17, 2026 6.2 MB TRUSTED v2.0.12 Nov 17, 2025 6.2 MB TRUSTED v2.0.10 Sep 24, 2024 6 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on May 17, 2026.
Certificate issued to “Flatworld” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified May 17, 2026
Validated against Google Play May 17, 2026
Signed byO=Flatworld
Signing certificate (SHA-1)F8:68:3F:9E:28:54:C1:C2:AB:37:0E:FE:7C:24:33:4A:10:98:6F:97
File MD57f0efb2f355891ac6c44d9bb6b23037f
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (8)

The Sun Now requests 8 permissions, none of them sensitive.

Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) eu.flatworld.android.sdoviewer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Set wallpaper android.permission.SET_WALLPAPER
Set wallpaper hints android.permission.SET_WALLPAPER_HINTS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

The Sun Now APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is The Sun Now APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 7f0efb2f355891ac6c44d9bb6b23037f.