Class 7 English — Chapter 7: An Alien Hand

What you'll learn

• ▸Characters and Underground Setting
• ▸The Planet's Environmental History
• ▸Survival on the Planet's Surface
• ▸Tilloo's Forbidden Journey
• ▸The Arrival of the Alien Spacecraft
• ▸The Committee's Response Strategy
• ▸Tilloo and the Red Button Incident
• ▸The NASA Viking Mission Perspective

Chapter Summary

--- PAGE 1 --- 0754CH10 7 An Alien Hand Before you read Have you heard of the Viking Mission to Mars? The National Aeronautics and Space Administration's (NASA) Viking Mission to Mars was composed of two spacecraft, Viking 1 and Viking 2, each consisting of an orbiter and a lander. The primary objectives were to obtain images and samples of the Martian surface and soil and search for any possible signs of life. Viking 1 was launched on 20 August 1975 and arrived at Mars on 19 June 1976. Viking 2 was launched on 9 September 1975 and entered Mars' orbit on 7 August 1976. Besides taking photographs and collecting other science data on the Martian surface, the two landers conducted three biology experiments to look for possible signs of life. As of now, there is no clear evidence of the presence of living microorganisms in the soil near the landing sites. Now read the story. ✰ Tilloo and his parents live beneath the surface of a planet under artificial conditions. ✰ Till…

Practice Questions from this Chapter

Tap "Get Solution" on any question to ask our AI tutor.

1. Explain life underground technology. Get Solution →
2. Show alien spaceship designs. Get Solution →
3. Describe Mars' ancient environment. Get Solution →
4. Where do Tilloo and his parents live? Get Solution →
5. What object does Tilloo use to get through the metal door to the forbidden passage? Get Solution →
6. What did Tilloo hope to see when he went up to the surface? Get Solution →
7. According to Tilloo's father, why is it impossible for an ordinary person to survive on the surface? Get Solution →
8. What provides the power that makes life comfortable for the underground community? Get Solution →

Did you know?

• 💡 Many space probes have searched Mars for any tiny signs of past life.
• 💡 Some scientists think alien life could thrive deep beneath icy alien moons.
• 💡 The term "exoplanet" refers to planets orbiting stars beyond our sun.
• 💡 Modern astronauts wear spacesuits that provide air, water, and temperature control.
• 💡 There are cities on Earth built entirely underground to escape harsh weather.

Frequently Asked Questions

Related Chapters