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Daily Quiz: May 9, 2019
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- Question 1 of 7
1. Question
1 pointsCategory: Science and TechnologyWhich of the following is/ are correct about the dwarf planets?
- A dwarf planet is a planetary-mass object that is neither a planet nor a satellite.
- A dwarf planet is a celestial body in direct orbit of the Sun that is massive enough for its shape to be controlled by gravitation, but that unlike a planet has not cleared its orbital region of other objects.
- Dwarf planets are any astronomical objects orbiting the Sun that did not show the disk of a planet and were not observed to have the characteristics of an active comet.
- Dwarf planets are formed out of cosmic dust grains that collide and stick to form larger and larger bodies.
Correct
A dwarf planet is a planetary-mass object that is neither a planet nor a satellite. More explicitly, the International Astronomical Union (IAU) defines a dwarf planet as a celestial body in direct orbit of the Sun that is massive enough for its shape to be controlled by gravitation, but that unlike a planet has not cleared its orbital region of other objects.The point 3 refers to asteroids.
Incorrect
A dwarf planet is a planetary-mass object that is neither a planet nor a satellite. More explicitly, the International Astronomical Union (IAU) defines a dwarf planet as a celestial body in direct orbit of the Sun that is massive enough for its shape to be controlled by gravitation, but that unlike a planet has not cleared its orbital region of other objects.The point 3 refers to asteroids.
- Question 2 of 7
2. Question
1 pointsCategory: Science and TechnologyConsider the following statements
- Hayabusa an unmanned spacecraft developed by the Japan Aerospace Exploration Agency (JAXA).
- It landed on the Itokawa asteroid and collected samples in the form of tiny grains of asteroidal material.
Which of the above statements is/are true?
Correct
Hayabusa was an unmanned spacecraft developed by the Japan Aerospace Exploration Agency (JAXA). Its goal was to return a sample of material from a small near-Earth asteroid named 25143 Itokawa to Earth for further analysis.
Incorrect
Hayabusa was an unmanned spacecraft developed by the Japan Aerospace Exploration Agency (JAXA). Its goal was to return a sample of material from a small near-Earth asteroid named 25143 Itokawa to Earth for further analysis.
- Question 3 of 7
3. Question
1 pointsCategory: Science and TechnologyConsider the following about Brown Dwarf
- It is a small star that is somewhat cooler than a Red Dwarf.
- It is a very large planet.
Which of the above statements is/are true?
Correct
Brown dwarfs are substellar objects too low in mass to sustain hydrogen-1fusion reactions in their cores. Red Dwarfs are cool but Brown Dwarfs are cooler than them and it is very large planet.
Incorrect
Brown dwarfs are substellar objects too low in mass to sustain hydrogen-1fusion reactions in their cores. Red Dwarfs are cool but Brown Dwarfs are cooler than them and it is very large planet.
- Question 4 of 7
4. Question
1 pointsCategory: Science and TechnologyWhere do most of the known asteroids orbit the Sun?
Correct
The asteroid belt is a doughnut-shaped concentration of many different sized asteroids between the orbits of Mars and Jupiter, closer to the orbit of Mars. The asteroids orbit the Sun. The asteroid belt is not smooth but there are concentric gaps in it known as Kirkwood gaps.
Incorrect
The asteroid belt is a doughnut-shaped concentration of many different sized asteroids between the orbits of Mars and Jupiter, closer to the orbit of Mars. The asteroids orbit the Sun. The asteroid belt is not smooth but there are concentric gaps in it known as Kirkwood gaps.
- Question 5 of 7
5. Question
1 pointsCategory: Science and TechnologyAstronomers at the National Radio Astronomy observatory discovered cluster of hydrogen clouds between which of the nearby Galaxies?
Correct
In a dark, starless patch of intergalactic space, astronomers have discovered a never-before-seen cluster of hydrogen clouds strewn between two nearby galaxies, Andromeda (M31) and Triangulum (M33).
Incorrect
In a dark, starless patch of intergalactic space, astronomers have discovered a never-before-seen cluster of hydrogen clouds strewn between two nearby galaxies, Andromeda (M31) and Triangulum (M33).
- Question 6 of 7
6. Question
1 pointsCategory: Science and TechnologyJiuquan Satellite Centre is situated in which country?
Correct
Jiuquan Satellite Launch Center (JSLC) is a Chinese space vehicle launch facility spaceport located in the Gobi desert, about 1,600 km from Beijing.
Incorrect
Jiuquan Satellite Launch Center (JSLC) is a Chinese space vehicle launch facility spaceport located in the Gobi desert, about 1,600 km from Beijing.
- Question 7 of 7
7. Question
1 pointsCategory: Science and TechnologyConsider the following statements
- The first programmable electronic computer was the Colossus.
- The Colossus was designed by Tommy Flowers.
Which of the statements given above is/are correct?
Correct
Colossus was the world’s first electronic digital computer that was at all programmable. The Colossus computers were developed for British code breakers during World War II to help in thecryptanalysis of the Lorenz Cipher. Colossus was designed by the engineer Tommy Flowers.
Incorrect
Colossus was the world’s first electronic digital computer that was at all programmable. The Colossus computers were developed for British code breakers during World War II to help in thecryptanalysis of the Lorenz Cipher. Colossus was designed by the engineer Tommy Flowers.
