Page 27 - september 2023
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             ‘Red Planet spinning faster;                                     ‘Zero Shadow Day:
                days shrinking on Mars,                                A rare Celestial phenomenon’,

                         says NASA.’                                     experienced by Hyderabad.



           NASA’s Insight Lander has discovered                                             Hyderabad, the capital
           that the Mars is spinning faster after the                                         city of Telangana,
            analysing the data collected by them.                                              witnessed a rare
              NASA’s Jet Propulsion laboratory                                               celestial event called
          researchers say one of the reasons for this                                       ‘Zero Shadow Day’ on
             could be the ice accumulating on the                                              3rd August, 2023.
                   polar caps of the planet.                                                   The cause of the
              The study disclosed that the Mars’                    cosmic event is the tilt of the Earth’s axis and its
                 rotation is rising by about 4                                 rotation around the sun.
              milliarcseconds each year which is                    The shadow’s length is reduced when the
                                                                      sun’s radiations reach the highest point
                                        corresponding                   and the shadows of vertical objects
                                             to a                      become invisible and called as ‘Zero
                                    shortening of the                                 Shadow’.
                                     Martian day by a
                                       fraction of a
                                     millisecond per
                                          year.



                                                                                                Ritika Ranga
                          06                                                                     PGT- Biology
                                                                                               SKV, Ayanagar


              A Giant ‘Question Mark’
                  ‘Plan a trip to space at
              discoverd by James Webb                 A giant cosmic ‘question mark’ in space discovered by
                   a cost of Rs 6 crores.’
              Telescope in Deep-Space.                NASA’s James Webb Space Telescope (JWST) has
                                                      mystified scientists. The image is going viral on social
           media. Someusers         called it an “alien reaction,” and some came up with conspiracy
           theories.The ‘question mark is a remote galaxy or pair of galaxies getting entangled in each
           other’s gravitational pull, says the Space Telescope Science Institute (STScI), Baltimore.




         REFRENCES                                               4. https://www.ndtv.com/science/james-webb-telescope-discov-
         1. https://www.indiatimes.com/worth/news/isro-space-tou-  ers-giant-question-mark-in-deep-space-see-pic-4282567
         ism-rs-6-crore-per-passenger-by-2030-596118.html        5. https://www.ndtv.com/india-news/hyderabad-witnesses-ze-
         2. Sebastien Le Maistre et al. 2023. Spin state and deep interior   ro-shadow-day-a-rare-celestial-event-pics-go-viral-4267848
         structure of Mars from Insight radio tracking, June 2023.  6. https://www.sciencenews.org/article/mars-quake-crust-thick-
         3. Istvan Szapudi. 2023. Solar Radiation Management with a   ness-earth
         tethered sun shield, July 2023.


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