12 Questions
What was the name of the first artificial satellite launched by the Soviet Union in 1957?
Sputnik 1
Which of the following is NOT a planet in our solar system?
Ceres
Which space agency is responsible for the Artemis program?
NASA
What is the primary challenge of long-duration space travel in terms of human health?
Radiation
Which private space company is known for its reusable rockets?
SpaceX
What is the name of the rover that is currently exploring Mars?
Curiosity Rover
What is the primary component of a galaxy that provides its gravitational binding?
Dark matter
What is the name of the galaxy that is home to our solar system?
Milky Way
What is the term for the process by which galaxies collide and merge with each other?
Mergers
What is the characteristic of space that causes time to pass differently depending on gravity and velocity?
Time dilation
What is the region of space between stars within a galaxy?
Interstellar space
What is the term for the process by which stars age and die, and their material is recycled back into the galaxy?
Stellar recycling
Study Notes
Space Exploration
History of Space Exploration
- 1950s: Space race between the United States and the Soviet Union
- 1957: Soviet Union launches Sputnik 1, the first artificial satellite
- 1961: Soviet Union launches Vostok 1, carrying Yuri Gagarin, the first human in space
- 1969: United States lands Apollo 11 on the Moon, with Neil Armstrong and Buzz Aldrin
The Solar System
- 8 planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
- 5 officially recognized dwarf planets: Pluto, Eris, Ceres, Haumea, Makemake
- Other objects: asteroids, comets, Kuiper belt, Oort cloud
Space Agencies
- National Aeronautics and Space Administration (NASA) - United States
- Roscosmos - Russia
- European Space Agency (ESA) - Europe
- China National Space Administration (CNSA) - China
- Indian Space Research Organisation (ISRO) - India
Spacecraft and Probes
- Types: crewed, uncrewed, robotic, landers, rovers, orbiters
- Examples: Voyager 1, Hubble Space Telescope, Curiosity Rover, International Space Station
Space Travel and Colonization
- Challenges: radiation, isolation, gravity, life support systems
- Possibilities: terraforming, mining, lunar/Mars colonies, space tourism
Recent Developments and Future Plans
- Private space companies: SpaceX, Blue Origin, Virgin Galactic
- Reusability and cost reduction: reusable rockets, space tourism
- Upcoming missions: Artemis program (NASA), Mars 2020 (NASA), ExoMars (ESA)
Test your knowledge of space exploration history, from the early days of the space race to modern private space companies. Get ready to blast off into the cosmos!
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