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Everyday Science · Topic 4

Space and technology

The solar system, space firsts and Pakistan's space programme.

Everyday Science

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Explanation

Learn the planets in order with their records, the first achievements in space, and Pakistan's satellites.

The solar system

  • There are eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
  • Mercury is closest to the Sun; Jupiter is the largest planet; Venus is the hottest; Mars is the "Red Planet".
  • Pluto was reclassified as a dwarf planet in 2006.
  • Sunlight takes about 8 minutes 20 seconds to reach the Earth.

Space firsts

  • Sputnik 1 (Soviet Union, 1957) was the first artificial satellite.
  • Yuri Gagarin became the first human in space in 1961.
  • Neil Armstrong became the first person on the Moon on 20 July 1969 (Apollo 11).

Pakistan in space

  • SUPARCO, Pakistan's space agency, was set up in 1961.
  • Badr-1, Pakistan's first satellite, was launched in 1990.
  • iCube-Qamar, Pakistan's first lunar mission, went to the Moon with China's Chang'e-6 in May 2024.

Practise

Space and technology MCQs

Try each question, then open the answer. MCQs 251–267 of 267.

251.Which company's Crew Dragon capsule began carrying astronauts to the ISS in 2020?

  1. A. Blue Origin
  2. B. Boeing
  3. C. SpaceX
  4. D. Virgin Galactic
Show answer

Answer: C. SpaceX

It was the first commercial crewed spacecraft to reach the ISS.

252.Which company's New Shepard rocket carries tourists on short space flights?

  1. A. Rocket Lab
  2. B. Boeing
  3. C. Blue Origin
  4. D. SpaceX
Show answer

Answer: C. Blue Origin

It was founded by Jeff Bezos.

253.A satellite in a polar orbit passes over which areas?

  1. A. Both poles, covering the whole Earth over time
  2. B. Only one country
  3. C. Only the oceans
  4. D. Only the equator
Show answer

Answer: A. Both poles, covering the whole Earth over time

Weather and mapping satellites often use polar orbits.

254.Which height is a geostationary orbit, approximately?

  1. A. About 2,000 km
  2. B. About 35,786 km
  3. C. About 384,000 km
  4. D. About 400 km
Show answer

Answer: B. About 35,786 km

Satellites there match the Earth's rotation.

255.The first communication satellite to relay TV across the Atlantic (1962) was called what?

  1. A. Sputnik
  2. B. Telstar
  3. C. Explorer
  4. D. Echo
Show answer

Answer: B. Telstar

It linked the US and Europe.

256.Which country launched the first weather satellite, TIROS-1, in 1960?

  1. A. United States
  2. B. Soviet Union
  3. C. France
  4. D. United Kingdom
Show answer

Answer: A. United States

It sent back the first TV images of clouds.

257.Which Indian rocket is used to launch most of its satellites?

  1. A. Falcon 9
  2. B. PSLV
  3. C. Long March
  4. D. Ariane 5
Show answer

Answer: B. PSLV

It has launched satellites for many countries.

258.Europe's main heavy-lift rocket family is called what?

  1. A. Ariane
  2. B. Long March
  3. C. Soyuz
  4. D. Delta
Show answer

Answer: A. Ariane

It launches from French Guiana.

259.Europe's spaceport is located in which place?

  1. A. Darmstadt, Germany
  2. B. Kourou, French Guiana
  3. C. Toulouse, France
  4. D. Baikonur, Kazakhstan
Show answer

Answer: B. Kourou, French Guiana

It is close to the equator.

260.The Baikonur Cosmodrome, used by Russia, is in which country?

  1. A. Uzbekistan
  2. B. Russia
  3. C. Ukraine
  4. D. Kazakhstan
Show answer

Answer: D. Kazakhstan

Russia leases it from Kazakhstan.

261.China's main human spaceflight launch centre is at which place?

  1. A. Wenchang
  2. B. Jiuquan
  3. C. Taiyuan
  4. D. Xichang
Show answer

Answer: B. Jiuquan

It is in the Gobi Desert.

262.India's main launch site is at which place?

  1. A. Mumbai
  2. B. Thiruvananthapuram
  3. C. Bengaluru
  4. D. Sriharikota
Show answer

Answer: D. Sriharikota

It is called the Satish Dhawan Space Centre.

263.Which space telescope observes X-rays from black holes and exploding stars?

  1. A. Spitzer
  2. B. Kepler
  3. C. Hubble
  4. D. Chandra
Show answer

Answer: D. Chandra

X-rays are blocked by Earth's atmosphere.

264.Which space telescope, retired in 2020, observed in infrared?

  1. A. Spitzer
  2. B. Chandra
  3. C. Gaia
  4. D. Hubble
Show answer

Answer: A. Spitzer

The James Webb telescope continues infrared astronomy.

265.Which European mission mapped the positions of more than a billion stars?

  1. A. Gaia
  2. B. Planck
  3. C. Herschel
  4. D. Rosetta
Show answer

Answer: A. Gaia

It was launched in 2013.

266.What is a "light second"?

  1. A. About 3 million km
  2. B. About 30 km
  3. C. About 3,000 km
  4. D. About 300,000 km
Show answer

Answer: D. About 300,000 km

It is the distance light travels in one second.

267.A "parsec" is a unit of what?

  1. A. Time
  2. B. Brightness
  3. C. Mass
  4. D. Distance
Show answer

Answer: D. Distance

One parsec is about 3.26 light-years.

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