Define these:-- (Given in photo)

METEORS
NATURAL SATELLITES
ORBIT
ORION
PHASES OF MOON
PLANETS
POLE STAR
REMOTE SENSING
SOLAR SYSTEM
STARS
URSA MAJOR

Hi,
Here are your answers:
 
  1. Meteor is a small body of matter from outer space that enters the earth's atmosphere, becoming incandescent (emits light) as a result of friction and appearing as a streak of light.
  2. Natural satellites are those which are not made by humans, e.g. moon is a natural satellite of the earth. It is natural object that revolves around a planet. 
  3. Orbit is the fixed path followed by a heavenly body rotating around another. Like path along which earth revolves around the sun is its orbit.
  4. Orion is a group of stars. It is the prominently visible constellation from earth. These cluster of stars look like a hunter. In Greek, Orion stand for a hunter. Thus this cluster is called Orion.
  5. The different shapes of the moon in the night sky are called phases of the moon. These phases are because of the relative position of earth and moon with respect to the sun.    The name of these phases are: New Moon, Crescent moon, Half moon, Gibbous moon, Full Moon.​
  6. Planets are celestial bodies found revolving around the sun. They do not have their own heat and light. 
  7. Pole star is a star in the constellation of little bear in the northern direction. This star being close to the axis of rotation of the earth, do not change its position in the sky.
  8.  Remote sensing is a technique to survey the relief features of earth without exactly going to a certain place. Usually satellite base areal surveys are done to study remote places where it’s tough to go individually. 
  9. Solar system is the family of the sun consisting of several stars, planets, asteroids, and other heavenly bodies. 
  10. Stars are celestial bodies which are composed of lighter gases like hydrogen and helium and are undergoing fusion reactions constantly to produce immense amount of energy in form of heat and radiations. For example: Sun is a star
  11. Ursa major is also known as the 'Great Bear'. It is a constellation that contains a group of stars commonly called the 'Big Dipper.   Ursa major is visible throughout the year in most of the northern hemisphere. It can be observed in the month of April.
​​Hope it helps!
Cheers!!
 

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