Amazing Astronomy

• What percentage of the universe is hidden from view by dust and stars?

                  Ans : 20.

• What does the name of the constellation Scutum mean in English?

                Ans  : shield

• Where in the Solar System would you find "Alba Patera"?

             Ans : Mars
                                 Alba Patera, found on Mars, is a peak at a height of 1,600m and a diameter of 464km.

• Which space probe was the first to cross the asteroid belt?

           Ans : Pioneer 10.  

• Quasars are found in the center of,

                   Ans : Active young galaxies

• Which constellation has Polaris, the north star?

                  Ans :   Ursa minor

•  What is the smallest constellation?

                Ans :  Crux (Southern cross)

•  What was the first name to be suggested for Neptune?

               Ans : Janus

•  In the asteroid belt, some areas are almost free of asteroids. These are known as,

                Ans :   Kirkwood's gaps

•  What is the name given to the two asteroids groups sharing the Jupiter's orbit?

                 Ans :  Trojan asteroids

•   Which space shuttle flew the Hubble space telescope into space?

                  Ans : Discovery

•   What is the best time to observe a meteor shower?

                    Ans : 12 midnight - 3am

•  Which part of the Milky Way galaxy contains the most of the stars?

                  Ans :  Galactic disk

•  The size of a quasar is roughly equal to the size of,

                 Ans :  The solar system

•  What is the size rank of Moon in all satellite in the Solar System ? 

                         Ans:    5th          
 

•   The asteroids that cross the earth's orbit?

                        Ans :    Apollo objects

•   The first variable star discovered by an astronomer?

                        Ans:    Mira 

•   What is the brightest star in the constellation Leo?

                        Ans:   Regulus   
  

•   The three stars which make up the summer triangle?

                       Ans:  Altair, Deneb, and Vega

•   What is the largest dwarf planet?

                      Ans :  Eris

•   The nearest star to our solar system is Proxima Centauri. Who discovered Proxima Centauri?

                     Ans:  Robert Innes

•   Bernard's star is a red dwarf star located just 6 light years away from our solar system. Which constellation is home to Bernard's star?

                     Ans: Ophiuchus

•  How many globular clusters have been discovered in our Milky Way galaxy?

                    Ans:  152

•  What was the first successful spacecraft to Mars? 

                    Ans:  Mariner 4

                      

           

          1.  What is the brightest star in the night sky at any time?             
                Ans :  Sirus
         
          2. About how many stars are in our galaxy?
              Ans :  200 billion

          3. Which planet is referred to as the “planet of oceans”?
               Ans :  Earth

          4.  Which planet has the strongest winds?
                Ans : Neptune

          5.  Meteoroids that hurtle into the atmosphere as streaks of light are?
                Ans : Shooting star

         6. Which planets have rings around them?
              Ans :  Saturn, Uranus, Jupiter, Neptune

         7. Asteroids are believed to be originated from?
              Ans : Orbit of jupiter

         8. Which is the oldest star yet discovered ?
              Ans :  HE 1523-0901 ( 13.2 billion years old)

        9. What is the estimated Diameter of Milky Way Galaxy ?
             Ans :  100,000 light years

      10. Which is the largest moon in the Solar System ?
             Ans :  Ganymede ( moon of Jupiter)