Sentinel 2B Launch

The Copernicus snentinel 2B satellite will ride into space on a vega rocket from European Spaceport on 7th March 2017 at 01:49 GMT .

Sentinel 2B is already in its stand for seven week campaign for its test. And later it well be prepared to lift up from the spaceport into the orbit by a Vega Rocket said by the European Launch Campaign Manager, Paolo Laberinti.

All the satellite equipments are ready to be tested by connecting it to the electrical equipment. After reaching the orbit it will join to its twin Sentinel 2A which has been in orbit since June 2015, with each paiding 290 Km wide average. The time takes to image the globe.

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Trappist-1 New Planets of Aquarius Constellation

TRAPPIST-1 DETAILS:

Constellation: Aquarius

Distance      : 39 Light years

Surface Gravity: 5.2 cgs

Temperature : 2550 K

Rotation      : 1.40 days

Age             : 1 Gyears

Description :

                    

                   In 2015 Astronomers discovered three Earth-seized planet Orbiting dwarf star. This term was led by Sir. Michael Gilon at the University of Liege in Belgium. In February of 2017, Astronomers announced that the planetary system of this star is composed of Seven Earth-like planets, three of which (e,f,g) orbit in the habitable zone.

Discovery:

                  They detected the planet using transit photometry with transisting planets and planetesimals small Telescope (Trappist-1) at the La Silla Observatory in Chile. On 22 February 2017, Astronomers announced four additional exoplanets around Trappist-1.

Nomenclature:   

                   The star name Trappist-1 reflects that, it is the first star ever discovered by the TRAPPIST Telescope to have transiting planets. It is an ultracool dwarf star, of 8% mass and 11% radius of Our Sun. It has temperature of 2550 Kelvin and it is atleast 500 million years old.

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Lasers in Space Broadband

            In this modern period thev internet connection isv gettingv slower and slower. So as to increase the speed and for faster communication with satellites, Nasa decided to use lasers. For decades radio waves were used for transmission between earth and satellites.. The transmission rates were in kilo bytes. Optical communication will be more efficient and faster to communicate, gather photographs, data, etc.

Laser communication is ideal for downlink communication from deep space. It will allow astronaut for making live videos at high resolution and getting feedback.. Both radio and laser travel at speed of light, but laser can travel with higher bandwidth than radio waves.. Our future communications will be made with laser.

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Dawn discovers Organic Materials

      ESA's Dawn spacecraft had found some evidence for the presence of organic materials on the Ceres, a dwarf planet. It is the largest body in the asteroid belt, which is found between Mars and Jupiter. Scientists have found this organic material by visible and infrared mapping spectrometer in the northern hemisphere creator called Ernutet. This is the first clear detection of organic molecule from the belt. The presence of this organic molecule indicates the presence of life in the past... Previous study have found the presence of hydrated minerals, carbonates, water ice, ammoniated Clays that have been alerted by water..  Having completed two years of observations in orbit around Ceres. Dawn is now in an elliptical orbit at Ceres at an altitude of 5810 kilometres.. And it made a new altitude of 20000 kilometres on February 23, 2017.

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Juno Mission till 2018

Juno Jupiter Orbital around gas giant since July 4,2016 will remain to active till July 2018. It is in its current 53 day orbit around Jupiter. This will allow Juno to accomplish its goals, avoiding the risk of engine firing previously.. It already reduced the orbital period of 14 days of this Spacecraft. Juno is healthy and its instruments are operational. Juno completed its orbit around Jupiter for four times. Recently orbited in February 2,2017. The next close flyby to Jupiter on March 27, 2017. June's mission will be extended in the next review cycle..  Credit: Nasa

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ESA's Mars Express beams its images.

European Space Agency's Mars express sent a image of Mars Polar Ice cap on the Martian Surface..

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Alnitak Star

           Students from (ACPU) Astro Club Of Pondicherry University took photo of Alnitak Star from their hand made telescope. The southern most bright star in the Orion belt..

Congrats and All the very best to ACPU students. Pondicherry University.

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Mariner 3 Spacecraft

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History of first five spacecraft to Mars

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Mariner 3 Spacecraft

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