Points to Remember
* The field of study of the universe
is called astronomy.
* The universe consists of galaxies,
planets, stars, meteorites, satellites and all other forms of matter and
* The half moon during the waxing
period is called as first quarter and the half moon during the waning period is
called as third quarter.
* The word crescent refers to the
phases where the moon is less than half illuminated. The word gibbous refers to
phases where the moon is more than half illuminated..
* The reversal of direction of
planets is called as ‘retrograde motion’.
* The geocentric theory followed by
the ancient people proposed that the Earth is at the centre and the sun and
other planets revolve around it.
* The helio-centric theory states
that the sun I at the centre and the planets revolve around it
* Galilio gave the observational
evidence to support the heliocentric theory
* There are at least hundreds of
billions of galaxies in the Universe.
* A galaxy is a large collection of
stars or cluster of stars and celestial bodies held together by gravitational
* A constellation is a recognizable
pattern of stars in the night sky when viewed from the Earth.
* An object that revolves around a
planet in a stable and consistent orbit is called a satellite.
* The Indian Space Research
Organization (ISRO) is the space agency of the Government of India
headquartered in the city of Bangalore.
UNIVERSE AND SPACE
Let us know about Universe and
Step 1: Use the URL or scan the QR code to
open the activity page.
Step 2: Click the start button and then
Click anywhere to open side bar.
Step 3: Click the top most icon in the side
bar then Click the RUN INTRO button to see the various views of the solar
system and universe
Step 4: Click the bottom most search icon in
the side bar to search a particular planet, constellation, stars and
Step 5: By dragging the mouse left ,right,
up and down you can see the various views and scroll the Mouse to zoom in and
zoom out .
Step 6: Click the play button to see the
solar system in year wise.
Universe and Space URL:
*Pictures are indicative only
*If browser requires, allow Flash Player or Java Script to load