1. Notes of Third Year B Com 2017
Dr Priya Adwani
SDJ International College
Surat Page 1
Unit I Prose
1: The Sun, the planets and the stars
C. Jones
SUMMARY
C. Jones‟ “The Sun, the Planet and the Stars” deals with universe. Universe is so
amazing. The Sun, the Planets and the Stars are a part of the universe. Jones brings
out amazing facts of the universe. Sun is the source of energy. It is the source of
power. Sun is vital for life. Planets and animals cannot live without sun. Our sun is
a star. It has its own light. The planets move around the sun. There are several
planets. Mercury is close to sun. So the planet is hot. It takes 88 days to revolve
around the sun. Venus is one of the planets. Venus is like earth. It is as large as the
earth. It revolves around the sun in 224 days. Earth is our planet. It is next to
Venus from the sun. Mars comes next to earth. Mars is the red planet. Mars is
older. It has two moons. Jupiter is young and big. It has eight moons. It is 719
times larger than the earth. Saturn has a ring and it has ten moons. Stars are in large
numbers. All the stars cannot be seen. Every star has its own planets revolving
around them. The distances of them are measured in light years.
Universe is big, big, big and big. It is more amazing concludes Jones.
I. Answer the following in one sentence:
i. What common feature do Venus and Earth share?
Ans. Similar size
ii. What characteristic features does Mercury have?
Ans. Temperature varies at higher level.
iii. What do you know about Jupiter?
Ans. It is the biggest planet among others.
2. Notes of Third Year B Com 2017
Dr Priya Adwani
SDJ International College
Surat Page 2
II. Answer the following in about 30-40 words each:
i. What is difference between a planet and a star?
Ans. planets in our Solar System appear to move in complicated paths
across the sky, but stars don't. A planet has no light of its own but star has
its own light.
ii. What kind of energy is heat? How does heat energy help the world?
Ans. Heat from sun is termed as solar energy. It is the source of food for
living beings on Earth.
iii. What is a „light year‟?
Ans. Light-Year is the distance travelled by light in one year means solar
year, about 5880,000,000,000 miles.
iv. According to the essay, if Martians existed how would they be more
advanced than us?
Ans. Gravity on Mars is 38% that of our Earth's, which is believed by
many to be sufficient for the human body to adapt.
III. Answer the following in about 150 words each:
i. Why is Saturn said to be a world in the making?
Ans. Saturn’s owes part of its mystique to its antiquity. It may be the
solar system’s oldest planet. Saturn is rich in helium and hydrogen
leftover from the Big Bang. It’s dead-star stuff mixed with gases from
the beginning of time, sculpted into sublime form by more than 4 billion
years of gravity. It’s chief attractions are its rings which surrounds the
planet at a height of 12,000 miles above equator. Orbiting twice as far
from the sun as Jupiter, Saturn is the most distant planet visible to the
naked eye. Humans may have spotted it more than a million years ago.
ii. What interesting information about the stars do you get from the lesson?
3. Notes of Third Year B Com 2017
Dr Priya Adwani
SDJ International College
Surat Page 3
Ans. Every star you see in the night sky is bigger and brighter than our
sun. Stars don’t twinkle. There are approximately 400 billon stars in the
galaxy. Every star you see in the night sky is bigger and brighter than
our sun. Stars are usually between 1 and 10 billion years old. Big stars
like supergiants and hypergiants have shorter lives as they consume
their fuel at a faster rate than smaller stars. The light from stars takes
millions of years to reach Earth, The nearest star to Earth is the Sun.