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With reference to the STEREO spacecraft, consider the following statements:
- It was launched by the European Space Agency.
- It was launched to study the Coronal Mass Ejection's (CME) magnetic field.
- It is a dual-spacecraft mission situated in Sun's orbit.
How many of the statements given above are correct?
- a)Only 1
- b)Only 2
- c)1, 2 and 3
- d)None
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
With reference to the STEREO spacecraft, consider the following statem...
Statement 1: The STEREO spacecraft was launched by the European Space Agency.
Statement 2: The STEREO spacecraft was launched to study the Coronal Mass Ejections (CME) magnetic field.
Statement 3: The STEREO spacecraft is a dual-spacecraft mission situated in the Sun's orbit.
Explanation:
To determine the correctness of each statement, let's analyze them one by one:
Statement 1: The STEREO spacecraft was launched by the European Space Agency.
This statement is incorrect. The STEREO (Solar TErrestrial RElations Observatory) spacecraft was not launched by the European Space Agency (ESA) but by the National Aeronautics and Space Administration (NASA) in the United States. Therefore, statement 1 is false.
Statement 2: The STEREO spacecraft was launched to study the Coronal Mass Ejections (CME) magnetic field.
This statement is correct. The primary objective of the STEREO mission is to study the Sun and its dynamic processes, including Coronal Mass Ejections (CMEs). CMEs are massive eruptions of plasma and magnetic field from the Sun's corona. The STEREO mission aims to understand the causes and effects of CMEs and their impact on space weather. Therefore, statement 2 is true.
Statement 3: The STEREO spacecraft is a dual-spacecraft mission situated in the Sun's orbit.
This statement is true. The STEREO mission consists of two nearly identical spacecraft, STEREO-A and STEREO-B, which were launched in 2006. These spacecraft were placed in different orbits around the Sun, with STEREO-A leading Earth in its orbit and STEREO-B trailing behind Earth. This configuration allows the spacecraft to provide stereoscopic views of the Sun and its activities, providing a better understanding of solar phenomena such as CMEs. Therefore, statement 3 is true.
Conclusion:
Out of the three given statements, only statement 2 and statement 3 are correct. Therefore, the correct answer is option 'b) Only 2.'
Statement 2: The STEREO spacecraft was launched to study the Coronal Mass Ejections (CME) magnetic field.
Statement 3: The STEREO spacecraft is a dual-spacecraft mission situated in the Sun's orbit.
Explanation:
To determine the correctness of each statement, let's analyze them one by one:
Statement 1: The STEREO spacecraft was launched by the European Space Agency.
This statement is incorrect. The STEREO (Solar TErrestrial RElations Observatory) spacecraft was not launched by the European Space Agency (ESA) but by the National Aeronautics and Space Administration (NASA) in the United States. Therefore, statement 1 is false.
Statement 2: The STEREO spacecraft was launched to study the Coronal Mass Ejections (CME) magnetic field.
This statement is correct. The primary objective of the STEREO mission is to study the Sun and its dynamic processes, including Coronal Mass Ejections (CMEs). CMEs are massive eruptions of plasma and magnetic field from the Sun's corona. The STEREO mission aims to understand the causes and effects of CMEs and their impact on space weather. Therefore, statement 2 is true.
Statement 3: The STEREO spacecraft is a dual-spacecraft mission situated in the Sun's orbit.
This statement is true. The STEREO mission consists of two nearly identical spacecraft, STEREO-A and STEREO-B, which were launched in 2006. These spacecraft were placed in different orbits around the Sun, with STEREO-A leading Earth in its orbit and STEREO-B trailing behind Earth. This configuration allows the spacecraft to provide stereoscopic views of the Sun and its activities, providing a better understanding of solar phenomena such as CMEs. Therefore, statement 3 is true.
Conclusion:
Out of the three given statements, only statement 2 and statement 3 are correct. Therefore, the correct answer is option 'b) Only 2.'
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Community Answer
With reference to the STEREO spacecraft, consider the following statem...
Nasa's Solar Terrestrial Relations Observatory (STEREO-A) spacecraft made its first Earth flyby nearly 17 years after its launch.
- The pair of STEREO (Solar Terrestrial Relations Observatory) spacecraft were launched on October 25, 2006, from Florida's Cape Canaveral Air Force Station.
- The two spacecraft were situated in Sun's orbit, STEREO-A ("Ahead") and STEREO-B ("Behind").
- The dual-spacecraft mission accomplished its major goal by delivering the first-ever stereoscopic view of our star.
- On February 6, 2011, another significant milestone was achieved as both STEREO-A and -B reached a remarkable 180-degree separation in their orbits, which gave us the full sphere image of the Sun.
- Significance of STEREO-A
- It will synthesize its views with those from Nasa's and the European Space Agency’s Solar and Heliospheric Observatory (SOHO) and Nasa’s Solar Dynamics Observatory (SDO).
- Its distance from Earth changes throughout the flyby, it will optimize its stereo vision for different-sized solar features at different times, akin to adjusting the focus on a several million-mile-wide telescope.
- It will allow scientists to understand how a Coronal Mass Ejection's (CME) magnetic field evolves on its way to Earth.
Hence only statements 2 and 3 are correct.
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With reference to the STEREO spacecraft, consider the following statements: It was launched by the European Space Agency. It was launched to study the Coronal Mass Ejections (CME) magnetic field. It is a dual-spacecraft mission situated in Suns orbit.How many of the statements given above are correct?a)Only 1b)Only 2c)1, 2 and 3d)NoneCorrect answer is option 'B'. Can you explain this answer?
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