How has technology contributed to the popularity of amateur astronomy?
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Option 3: "By making telescopes and resources more accessible"
Explanation: This option is correct because the text explicitly states that amateur astronomy is gaining momentum due to 'more accessible and affordable telescopes and a wealth of online resources.' This directly connects technology to the popularity of the hobby.
Option 1: "By simplifying the construction of personal observatories"
Explanation: This option is incorrect because the text does not mention personal observatories or their construction. The focus is on accessible telescopes and online resources, not on building observatories.
Option 2: "Through the availability of online courses in astrophysics"
Explanation: This option is incorrect as the text does not refer to online courses in astrophysics. Instead, it highlights accessible telescopes and online resources that support amateur astronomy.
Option 4: "By reducing the cost of space travel for amateurs"
Explanation: This option is incorrect because the text does not discuss space travel or its costs. The emphasis is on telescopes and online resources, not on travel.
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