Objects beyond Earth include stars, planets, satellites, asteroids, comets, galaxies, and the wider Universe. Students observe the night sky to identify patterns, directions, planets, and objects in the Solar System.
The night sky turns science into direct observation. Important Questions Class 6 Science Chapter 12 help students revise stars, constellations, the Pole Star, Solar System, planets, Moon, asteroids, comets, Milky Way Galaxy, and the Universe. CBSE 2026 questions can test definitions, planet order, direction-finding, night sky watching, Chandrayaan facts, and activity-based reasoning. The chapter begins in Nubra, Ladakh, where clear skies help Yangdol and Dorjay connect stars, stories, navigation, and curiosity about objects beyond Earth.
Key Takeaways
- 88 Constellations: The International Astronomical Union officially listed 88 sky regions.
- Pole Star: It appears nearly stationary in the North direction.
- Eight Planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune revolve around the Sun.
- Moon Revolution: The Moon takes about 27 days to revolve around Earth.
Important Questions Class 6 Science Chapter 12 Structure 2026
| Principle |
Application |
Unit |
| Stars And Constellations |
Identify star patterns and directions |
Night sky |
| Solar System |
Learn planets, satellites, asteroids, and comets |
Space objects |
| Galaxy And Universe |
Understand Milky Way and outer space |
Universe |
Important Questions Class 6 Science Chapter 12 With Answers
Important Questions Class 6 Science Chapter 12 With Answers cover definitions and observation-based facts. These questions help students revise Beyond Earth in a direct format.
Q1. What Is Beyond Earth In Class 6 Science?
Beyond Earth means the study of objects outside Earth, such as stars, planets, satellites, asteroids, comets, galaxies, and the Universe. It helps students understand the night sky and Solar System.
Earth is one planet in space. Many other objects exist around the Sun and beyond the Solar System.
Q2. Why Do Stars Shine In The Night Sky?
Stars shine because they have their own light. Some stars appear bright, while others appear dim from Earth.
A star may look small because it lies very far away. The Sun also belongs to the same category of objects.
Q3. Why Do Stars Disappear During The Day?
Stars do not disappear during the day, but sunlight hides them from our view. The Sun shines extremely brightly.
Its brightness spreads through the daytime sky. This makes other stars impossible to see from Earth during daylight.
Q4. Why Is Nubra In Ladakh Good For Night Sky Watching?
Nubra is good for night sky watching because it has clear skies and very little light pollution. Its dry weather helps visibility.
The chapter describes Nubra as almost cloudless. Students can see thousands of stars from dark locations there.
Q5. What Is Light Pollution?
Light pollution means excessive artificial light at night. It reduces our ability to see stars clearly.
Cities often show fewer stars because of light, smoke, and dust. Dark open areas show more stars.
Class 6 Science Chapter 12 Important Questions On Stars And Constellations
Class 6 Science Chapter 12 Important Questions on stars and constellations focus on sky patterns. These patterns helped people identify stars and find directions.
Q1. What Are Constellations?
Constellations are defined regions of the sky that often include groups of stars forming patterns. Earlier, people used the term for star patterns.
Some patterns look like animals, objects, or characters. Different cultures gave different names and stories to them.
Q2. What Is The Difference Between A Star Pattern And A Constellation?
A star pattern is an imaginary shape, while a constellation now means a defined sky region. The IAU fixed constellation boundaries.
Many students still use constellation for visible star patterns. This common use comes from older sky-watching traditions.
Q3. How Did Constellations Help Travellers?
Constellations helped travellers and sailors find directions before modern navigation tools. Star patterns worked as sky markers.
The Pole Star helped locate North in the Northern hemisphere. This skill still helps during emergencies.
Q4. What Is Orion In Class 6 Science?
Orion is a constellation often imagined as a hunter. Three bright stars in its middle form the hunter’s belt.
Students can identify Orion using these three stars. In India, Orion appears best from December to April after sunset.
Q5. What Is Sirius In Class 6 Science?
Sirius is the brightest star in the night sky. It belongs to the constellation Canis Major.
Students can locate Sirius near Orion. A line through Orion’s three middle stars points towards Sirius in the east.
Stars And Constellations Class 6 Questions For Quick Revision
Stars And Constellations Class 6 Questions often test names, patterns, and Indian astronomy links. Students should revise Orion, Sirius, Big Dipper, and Pole Star together.
Q1. What Is The Big Dipper?
The Big Dipper is a distinct star pattern in the constellation Ursa Major. In India, people call it Saptarishi.
It helps locate the Pole Star. Students can use the two stars at the end of its cup.
Q2. What Is The Little Dipper?
The Little Dipper is a star pattern in the constellation Ursa Minor. It includes the Pole Star.
The Pole Star appears near the end of this pattern. It helps students identify the North direction.
Q3. What Is The Pole Star?
The Pole Star, or Polaris, appears nearly stationary in the North direction. In India, people call it Dhruva Tara.
It does not look very bright. Students need a clear dark sky to identify it properly.
Q4. What Are Nakshatras In Indian Astronomy?
Nakshatras denote certain stars or groups of stars in Indian astronomy. Ārdrā, Kṛittikā, and Rohiṇī are examples.
Ārdrā refers to Betelgeuse in Orion. Kṛittikā refers to Pleiades in Taurus.
Q5. Why Did Different Cultures Create Different Star Stories?
Different cultures created different star stories because they imagined patterns in their own ways. Local life shaped their stories.
Some tribes viewed Big Dipper stars as a grandmother’s cot. Konkan fishermen imagined a boat shape.
Beyond Earth Class 6 Science Questions On Pole Star And Night Sky Watching
Beyond Earth Class 6 Science Questions include practical sky observation. Students should connect NCERT activities with direction, visibility, and safety.
Q1. How Can Students Locate The Pole Star?
Students can locate the Pole Star by using the Big Dipper. The two stars at the end of the Big Dipper’s cup point towards it.
Imagine a straight line through those two stars. At about five times their distance, the line reaches the Pole Star.
Q2. Why Is The Pole Star Useful?
The Pole Star helps locate the North direction in the Northern hemisphere. It appears nearly fixed in the sky.
Travellers used it before modern navigation. It still works as a backup direction method.
Q3. Why Are Fewer Stars Visible In Cities?
Fewer stars appear in cities because light pollution, smoke, and dust reduce sky clarity. Tall buildings can also block the view.
Open dark areas show more stars. Villages often provide better night sky visibility.
Q4. What Precautions Should Students Take During Night Sky Watching?
Students should go night sky watching only with adults. They must choose a safe, dark, open area.
They should avoid places blocked by tall buildings or trees. Eyes need about half an hour to adjust to darkness.
Q5. Why Are Sky Mapping Apps Useful?
Sky mapping apps help identify stars, constellations, and planets from a location. They show where to look in the sky.
NCERT mentions Sky Map and Stellarium. Students can use them with adult guidance.
Class 6 Science Beyond Earth Important Questions On Solar System
Class 6 Science Beyond Earth Important Questions on the Solar System test planets, revolution, and space objects. Students should learn the order of planets correctly.
Q1. What Is The Solar System?
The Solar System includes the Sun, eight planets, their moons, asteroids, comets, and smaller objects. Most objects move around the Sun.
The Sun forms the largest and heaviest object in it. It produces almost all energy in the Solar System.
Q2. What Is The Correct Order Of Planets From The Sun?
The correct order is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. These eight planets revolve around the Sun.
The first four planets have solid rocky surfaces. The outer four planets contain mostly gas and ice.
Q3. Why Is Pluto Not A Planet Now?
Pluto is now called a dwarf planet because the IAU changed the planet definition in 2006. It lies beyond Neptune.
Scientists found more small objects similar to Pluto. This led to a new category called dwarf planets.
Q4. What Is Revolution In Class 6 Science?
Revolution means the movement of an object around the Sun or another larger object. Earth revolves around the Sun.
Earth takes nearly one year for one revolution. The Moon revolves around Earth in about 27 days.
Q5. Why Are Outer Planets Usually Colder?
Outer planets usually receive less energy because they lie farther from the Sun. Distance reduces heating from sunlight.
Atmosphere can change this pattern. Venus stays hotter than Mercury because its atmosphere traps heat strongly.
Solar System Class 6 Science Questions On The Sun And Planets
Solar System Class 6 Science Questions connect the Sun, Earth, planets, and energy. These facts often appear in one-mark and short-answer questions.
Q1. Why Is The Sun A Star?
The Sun is a star because it produces its own heat and light. It lies closest to Earth among all stars.
It appears large because it is much nearer than other stars. Other stars look like points because they lie far away.
Q2. How Far Is The Sun From Earth?
The Sun is about 150 million km from Earth. This distance is called one astronomical unit.
Scientists use astronomical units for distances inside the Solar System. One au means the approximate Earth-Sun distance.
Q3. Why Is The Sun Important For Life On Earth?
The Sun gives light and heat that make life possible on Earth. It supports climate, seasons, weather, and water cycle.
Sunlight helps plants grow. Plants provide food and oxygen to animals and humans.
Q4. How Can Students Distinguish Planets From Stars?
Students can distinguish planets from stars because stars twinkle more than planets. Planets usually shine with steadier light.
Venus, Mars, Jupiter, and Saturn can appear like bright dots. Venus shines brightest after the Sun and Moon.
Q5. Why Is Venus Called The Morning Star Or Evening Star?
Venus is called the Morning Star or Evening Star because it shines brightly near dawn or dusk. It is still a planet.
Students can spot Venus near the east before sunrise. They can also see it near the west after sunset.
Planets Class 6 Science Questions And Answers
Planets Class 6 Science Questions help students revise planet names, features, and order. The 2026 chapter includes both Indian names and scientific facts.
Q1. Which Planet Is Called The Red Planet?
Mars is called the Red Planet because its soil looks reddish. This colour makes Mars appear red in the sky.
The reddish surface helps students identify the planet’s common name. Mars lies after Earth in planet order.
Q2. Which Planet Is Called The Blue Planet?
Earth is called the Blue Planet because much of its surface has water. It appears blue from space.
Earth supports life through air, water, sunlight, and suitable temperature. It revolves around the Sun in nearly one year.
Q3. Which Planets Have Solid Rocky Surfaces?
Mercury, Venus, Earth, and Mars have solid rocky surfaces. They form the inner four planets.
These planets lie nearest to the Sun. They are smaller than the outer giant planets.
Q4. Which Planets Are Mostly Made Of Gas And Ice?
Jupiter, Saturn, Uranus, and Neptune are mostly made of gas and ice. They form the outer four planets.
They are much larger than Earth. They also have large flat ring-like structures.
Q5. Which Planets Can Students See With Naked Eyes?
Mercury, Venus, Mars, Jupiter, and Saturn can be seen with naked eyes. They appear as shining dots.
Venus is easiest to identify because it shines very brightly. It appears near dawn or dusk.
Important Questions Class 6 Science Chapter 12 On Moon And Satellites
Important Questions Class 6 Science Chapter 12 on Moon and satellites include natural satellites, craters, and Chandrayaan. These facts connect textbook science with Indian space missions.
Q1. What Is A Natural Satellite?
A natural satellite is a natural object that moves around a planet. The Moon is Earth’s natural satellite.
Moons are smaller than planets. Mars has two moons, while outer planets have many moons.
Q2. How Long Does The Moon Take To Revolve Around Earth?
The Moon takes about 27 days to complete one revolution around Earth. It is Earth’s nearest space neighbour.
The Moon lies about 3,84,000 km away from Earth. It has hardly any atmosphere.
Q3. What Are Craters On The Moon?
Craters are circular bowl-like structures on the Moon’s surface. Many formed when asteroids or rocks hit the Moon.
The Moon has no air, water, or life. These marks stay for a very long time.
Q4. How Big Is The Moon Compared To Earth?
The Moon is about one-quarter the size of Earth in diameter. It looks large because it lies near Earth.
It reflects sunlight from its surface. It does not produce its own light.
Q5. What Is Chandrayaan-3?
Chandrayaan-3 was India’s third Moon mission, launched in July 2023. Its Vikram lander carried the Pragyan rover.
It soft-landed on the Moon on 23 August 2023. India became first to land near the Moon’s south pole.
Moon And Satellites Class 6 Questions On Indian Space Facts
Moon And Satellites Class 6 Questions often include Chandrayaan and National Space Day. These details give Indian examples from the 2026 book.
Q1. What Was Chandrayaan-1?
Chandrayaan-1 was India’s first mission to the Moon, launched in 2008. It helped study the Moon.
The mission improved scientific understanding of the lunar surface. It began India’s major Moon exploration journey.
Q2. What Was Chandrayaan-2?
Chandrayaan-2 was India’s second Moon mission, launched in 2019. It continued India’s lunar exploration.
The chapter lists it before Chandrayaan-3. It forms part of India’s Moon mission sequence.
Q3. Why Is 23 August Celebrated As National Space Day?
India celebrates 23 August as National Space Day to mark Chandrayaan-3’s success. The Government of India declared this day.
Vikram lander soft-landed on the Moon on 23 August 2023. The mission carried Pragyan rover.
Q4. What Is Chandrayaan-4 Planned To Do?
Chandrayaan-4 aims to bring back soil and rock samples from the Moon. The chapter mentions it as a planned mission.
Sample return helps scientists study the Moon more closely. It expands India’s lunar research.
Q5. Why Do Moon Craters Stay For A Long Time?
Moon craters stay for a long time because the Moon lacks atmosphere, water, and life. These factors do not erase marks quickly.
Earth has wind, water, and life activities. The Moon has very little surface change.
Class 6 Science Chapter 12 Extra Questions On Asteroids, Comets, And Galaxy
Class 6 Science Chapter 12 Extra Questions cover smaller Solar System objects and space beyond it. Students should know asteroids, comets, Milky Way, and Universe.
Q1. What Are Asteroids?
Asteroids are small rocky objects with irregular shapes. Many revolve around the Sun between Mars and Jupiter.
This region is called the asteroid belt. Some asteroids can pass close to Earth.
Q2. What Are Comets?
Comets are icy-rocky objects made of dust, gases, rocks, and ice. They can develop long tails near the Sun.
Heat from the Sun evaporates frozen material in a comet. This material forms the comet’s tail.
Q3. What Is Halley’s Comet?
Halley’s Comet is a famous comet that appears every 76 years. Its last appearance occurred in 1986.
Comets can orbit the Sun periodically. Some comets also escape the Solar System.
Q4. What Is The Milky Way Galaxy?
The Milky Way Galaxy is our home galaxy. It contains millions to billions of stars.
Our Solar System belongs to the Milky Way. From dark places, it appears as a faint band of light.
Q5. What Is The Universe?
The Universe includes galaxies, stars, planets, and all outer space. Scientists study it to understand space objects.
Many galaxies exist beyond the Milky Way. Scientists still search for life beyond Earth.
Milky Way Galaxy Class 6 Questions On Universe And Exoplanets
Milky Way Galaxy Class 6 Questions help students understand space beyond the Solar System. The chapter also introduces exoplanets and the search for life.
Q1. What Is A Galaxy?
A galaxy is a huge system containing millions to billions of stars. The Milky Way is our home galaxy.
Galaxies also contain gas, dust, and other space objects. Our Solar System forms a small part of one galaxy.
Q2. What Can Students See In A Moonless Dark Sky?
Students may see a faint band of light across the sky. This band belongs to the Milky Way Galaxy.
Dark locations away from city lights show it better. Ladakh gives strong sky visibility in the chapter.
Q3. What Are Exoplanets?
Exoplanets are planets that revolve around stars other than the Sun. Scientists study them while searching for life.
Most searches focus on exoplanets in our galaxy. No evidence of life elsewhere exists yet.
Q4. Has Science Found Life Elsewhere In The Universe?
Science has not found evidence of life elsewhere in the Universe yet. The search continues.
Scientists study planets around other stars. These planets may give clues about possible life.
Q5. What Lies Beyond The Milky Way Galaxy?
Many galaxies lie beyond the Milky Way Galaxy. Scientists study them to understand the Universe.
The Universe contains many galaxies and stars. It extends far beyond our Solar System.
Class 6 Science Chapter 12 Questions And Answers From NCERT Exercises
Class 6 Science Chapter 12 Questions And Answers from NCERT include matching, identification, reasoning, and sky diagrams. These questions build exam-ready recall.
Q1. Match The Following: Moon, Mars, Orion, And Venus.
Moon is Earth’s satellite, Mars is the Red Planet, Orion is a constellation, and Venus is the Evening Star. These matches come from NCERT facts.
- Moon matches satellite of Earth.
- Mars matches Red Planet.
- Orion matches constellation.
- Venus matches Morning Star or Evening Star.
Q2. Which Object Is Not A Member Of The Solar System: Sirius, Comets, Asteroids, Or Pluto?
Sirius is not a member of our Solar System. It is the brightest star in the night sky.
Comets, asteroids, and Pluto belong to Solar System objects. Pluto now belongs to dwarf planets.
Q3. Which Object Is Not A Planet Of The Sun: Jupiter, Pluto, Neptune, Or Saturn?
Pluto is not a planet of the Sun under the current definition. It is a dwarf planet.
Jupiter, Neptune, and Saturn are planets. Pluto changed category after IAU’s 2006 decision.
Q4. Which Is Brighter, Pole Star Or Sirius?
Sirius is brighter than the Pole Star. Sirius is the brightest star in the night sky.
The Pole Star appears less bright. Its importance comes from its nearly fixed North direction.
Q5. Why Do Stars Fade At Dawn And Appear At Dusk?
Stars fade at dawn because sunlight brightens the sky. They appear at dusk as sunlight reduces.
The stars remain in space during the day. The Sun’s brightness hides them from view.
Beyond Earth Class 6 Extra Questions For Board Exam Pattern
Beyond Earth Class 6 Extra Questions test deeper application from activities. These questions help students revise beyond direct definitions.
Q1. Why Does The Big Dipper Appear To Move Around The Pole Star?
The Big Dipper appears to move because Earth rotates on its axis. The Pole Star appears nearly stationary.
Students can observe it at intervals of two to three hours. Its position seems to change around the Pole Star.
Q2. Why Should Students Wait Before Observing The Night Sky?
Students should wait because eyes need time to adjust to darkness. NCERT suggests about half an hour.
Dark adaptation helps students see dim stars better. Bright lights reduce night vision.
Q3. Why Are Solar System Diagrams Not Drawn To Scale In Textbooks?
Solar System diagrams are not drawn to scale because real sizes and distances are extremely large. A page cannot show them accurately.
Textbook diagrams help students understand order and position. They do not show actual proportions.
Q4. Why Is Venus Hotter Than Mercury?
Venus is hotter than Mercury because its atmosphere traps heat strongly. Mercury lies closer to the Sun.
Distance affects temperature in general. Atmosphere can change a planet’s actual temperature.
Q5. Why Do Comets Develop Tails Near The Sun?
Comets develop tails because sunlight evaporates frozen material inside them. This material forms a visible tail.
The tail appears when a comet approaches the Sun. It becomes dim as the comet moves away.
Class 6 Science Important Links