Chapter 1: The Solar System

Question 1

Write the composition of the solar system

Answer 1

The Sun
Planets
Dwarf planets
Natural satellites
Rock particles and debris

Question 2

The Sun holds _____ of the solar system’s total mass

Answer 2

99.86%

Question 3

What is the diameter of the Sun?

Answer 3

1.4 million km

Question 4

The time taken for one rotation of the Sun is ______ Earth days

Answer 4

25.4

Question 5

Define planets

Answer 5

Spherical objects that move on fixed orbits around the Sun

Question 6

There are two types of planets. What are these two types?

Answer 6

Inner planets

Outer planets

Question 7

Define and name the inner planets

Answer 7

The planets located between the Sun and the asteroid belt, composed of rocks made of silicate and metal materials
Mercury, Venus, Earth, Mars

Question 8

What are outer planets? What planets belong to the category of outer planets?

Answer 8

The planets located outside the belt of asteroids, composed of the gases hydrogen and helium
Jupiter, Saturn, Uranus, Neptune

Question 9

How many satellites does Mercury have?

Answer 9

Trick question. Mercury doesn’t HAVE satellites, you idiot! (Unless you got the question right. In that case, good work.)

Question 10

What is the surface temperature of Venus?

Answer 10

464 degrees Celsius

Question 11

The main gas found on Venus is:

a. Helium (99%)
b. Nitrogen (80%)
c. Hydrogen (75%)
d. Carbon dioxide (96%)

Answer 11

d. Carbon dioxide (96%)

Question 12

Venus is also called the:

Answer 12

Morning Star

Evening Star

Question 13

Venus has ___ satellites

Answer 13

No

Question 14

What are the planets that rotate from East to West?

Answer 14

Venus

Uranus

Question 15

Mars is called the __________

Answer 15

Red Planet

Question 16

Mars has two natural satellites named:

Answer 16

Phobos and Deimos

Question 17

The diameter of Jupiter is:

Answer 17

1,42,984 km (oh lord.)

Question 18

Jupiter is the planet with the most natural satellites, having ___ in all

Answer 18

67

Question 19

Saturn has ___ natural satellites

Answer 19

62

Question 20

How many natural satellites does Uranus have?

Answer 20

27

Question 21

The amount of natural satellites Neptune has:

Answer 21

14

Question 22

Define dwarf planets

Answer 22

Small planets with no fixed orbit

Question 23

At present, there are five dwarf planets in the solar system. Name these five planets

Answer 23

Pluto
Haumea
Makemake
Eris
Ceres

Question 24

What are natural satellites?

Answer 24

Celestial objects that orbit the main planets

Question 25

Asteroids are:

Answer 25

Fragments of rock leftover from when the universe was formed

Question 26

Write down a few beliefs connected to the solar system

Answer 26

Worshiping the Sun and Moon as gods Considering the direction when collecting medicinal plants Emergence of astrology based on the movements of celestial objects (planets, Sun, Moon) Holding rituals known as Shanthi Karma on the basis that planets have bad effects Organization of traditional farming activities based on the influence of the Sun and Moon

Question 27

Name a few scientists who were enthusiastic about finding new information on the solar system

Answer 27

``` Johannes Kepler Galileo Galilee Claudius Ptolemy Nicolas Copernicus Isaac Newton ```

Question 28

Name a few institutions dedicated to finding new information on the solar system

Answer 28

Caltech Astronomical Institute International Astronomical Institute NASA (National Aeronautics and Space Administration) SpaceX