Using the given chart , answer the following questions

1. Which planets have a longer day than year?

2. Which planet has the most moons?

3. Which is the hottest planet?

4. Which planet has the shortest day and the longest year?

5. Which planet has the closest length of a day to the Earth?

6. Which is the smallest planet?

7. If an Astronomical Unit is the distance from the Earth to the Sun, how many astronomical units away is Pluto?

Table 1

Name	Moons	Average Temp.C	Rotation	Orbit	Av. distance from Sun (million miles)	Diameter (miles)
Mercury		-167to427	58.6 days	87.97 days	36.04
Venus			243.2 days	224.70 days	67.11
Earth		-51 to 48	23.9 hrs	365.26 days	92.99
Mars		-123to-30	24.6 hrs	686.98 days	141.61
Jupiter		-117	9.8 hrs	11.86 years	483.66
Saturn		-180	10.7 hrs	29.46 years	886.72
Uranus		-221	17.2 hrs	84.01 years	1783.38
Neptune		-216	16.0 hrs	164.79 years	2794.38
Pluto		-230	6.3 days	247.69 years	3666.19

Answer the following questions

What is the cosmos? What is the Universe?

What galaxy do we live in?

What does the Solar System consist of?

Give all the data relating to the sun.

How are the planets arranged in the Solar System?

Distinguish between the asteroids and the comets.

How could the Solar System have originated according to the “catastrophic” theory?

How could the Solar System have originated according to the nebular theory?

6.12 Write down a summarizing sentence for each paragraph of the text “The Universe and the Solar System”. On the basis of the above task prepare an oral summary of the text

Lesson 7 The Earth