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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          Cartosat-2D is the fifth Earth observation satellite of ISRO. It will separate first from on board of Pslv C37 after launch. It is the heaviest spacecraft among all satellites weighing 714 Kg. It will be injected to Sun Synchronous Polar Orbit and will be brought under operational configuration. Indian Space Research Organisation already placed cartosat 2, cartosat 2A, cartosat 2B, cartosat 2C. This satellite was powered by two Solar panels. This mission is planned for 5 years for the purpose of Remote Sensing and Monitoring earth. 

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IRIDIUM-1 MISSION LAUNCH

WATCH LIVE:  IRIDIUM-1 MISSION
SpaceX is targeting launch of the Iridium-1 mission tomorrow, January 14, from Space Launch Complex 4E at Vandenberg Air Force Base in California.  The instantaneous launch window opens at 9:54:39 am PST or 5:54:39 pm UTC, and the launch will be broadcast live at www.spacex.com/webcast beginning at approximately 9:34 am PST or 5:34 pm UTC.

With this mission, SpaceX’s Falcon 9 rocket will deliver 10 satellites to low-Earth orbit for Iridium, a global leader in mobile voice and data satellite communications. The 10 satellites are the first of at least 70 satellites that SpaceX will be launching for Iridium’s next generation global satellite constellation, Iridium NEXT.  For more information, visit www.spacex.com.

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