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Consider the following facts about Cloud-9: 1. It is located about 14 million light-years from Earth. 2. It lies near Messier 94. 3. It is a starless and gas-rich object dominated by dark matter. 4. It is classified as a RELHIC. 5. Its estimated dark-matter mass is about five billion solar masses. Which of the above are correct?

Cloud-9 के बारे में निम्नलिखित facts पर विचार कीजिए: 1. यह Earth से लगभग 14 million light-years दूर स्थित है। 2. यह Messier 94 के पास स्थित है। 3. यह starless और gas-rich object है जिसमें dark matter dominate करता है। 4. इसे RELHIC classify किया गया है। 5. इसकी estimated dark-matter mass लगभग five billion solar masses है। उपरोक्त में से कौन-से सही हैं?

Answer and explanation are free to read — no sign-in required.उत्तर और व्याख्या पढ़ने के लिए साइन-इन आवश्यक नहीं है।

A

1, 2 and 3 onlyकेवल 1, 2 और 3

B

1, 2, 3 and 4 onlyकेवल 1, 2, 3 और 4

C

2, 3, 4 and 5 onlyकेवल 2, 3, 4 और 5

D

1, 2, 3, 4 and 51, 2, 3, 4 और 5

✓

Correct Answerसही उत्तर

D. 1, 2, 3, 4 and 5D. 1, 2, 3, 4 और 5

Explanationव्याख्या

All five statements match the PDF.
Cloud-9 is located around 14 million light-years away near Messier 94 and is classified as a Reionization-Limited H I Cloud.
It is composed of neutral hydrogen and is dominated by dark matter.
Its physical extent is approximately 4,900 light-years, while researchers estimate that its dark matter amounts to roughly five billion solar masses.

सभी five statements PDF से match करते हैं। Cloud-9 लगभग 14 million light-years दूर Messier 94 के पास स्थित है और इसे Reionization-Limited H I Cloud classify किया गया है। इसमें neutral hydrogen है और dark matter dominate करता है। इसकी approximate size 4,900 light-years है तथा dark matter लगभग five billion solar masses estimate किया गया है।

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