The Samsung Galaxy Star is a low-end smartphone manufactured by Samsung Electronics. It is running on Android 4. 1. 2(jelly Bean). It has unofficial Android 4. 4, 5. 1, 6. 0. 1 and 7. 1 roms. It was announced in April 2013, it was subsequently released in May 2013. It is the cheapest smartphone in the Samsung Galaxy series. Like all other Samsung Galaxy smartphones, the Galaxy Star runs on the Android mobile operating system. The phone is available in 2 versions: a single SIM version (GT-S5280) and a dual SIM version (GT-S5282). The phone competes with other low-cost smartphones such as the smartphones from the Nokia Asha series as well as low-cost smartphones manufactured by Indian manufacturers such as Micromax, Karbonn, Spice Digital, Lava International and Celkon. It is available in certain Asian countries such as India, Pakistan, Sri Lanka, Nepal, Bangladesh, Myanmar, Philippines, Indonesia etc. where low-cost smartphones are very popular as well as in Morocco, Algeria, South Africa, Portugal, France, Germany, Russia and Ukraine.
Brazilian version is also released, dubbed GT-S5283B.
Launched as GRAIL A and GRAIL B in September 2011, the probes were renamed Ebb and Flow by schoolchildren in Montana. The probes operated in almost circular orbit near the lunar poles at an altitude of approximately 34 miles, until their mission came to an end in December 2012. The distance between the twin probes altered a bit as they soared over areas of lesser and greater gravity that were caused by visible topological features on the Moon's surface, such as impact craters and mountains--as well as by masses that were secreted beneath the lunar surface.
The team of scientists used data gathered by NASA's Gravity Recovery and Interior Laboratory (GRAIL) mission, composed of a duo of twin spacecraft that circled Earth's Moon throughout 2012, each measuring the push and pull of the other as an indicator of lunar gravity.
Only recently have space missions begun to solve this beguiling Solar System mystery--that a small number of distant moons have been successfully hiding, from the curious eyes of astronomers, life-sustaining liquid water beneath secretive shells of ice.