Vedic Astronomy and Calendars
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Questions and Answers

What happens during the June solstice in the Northern Hemisphere?

  • The North Pole is tilted away from the Sun.
  • The Sun is exactly above the Equator.
  • The North Pole is tilted closest to the Sun. (correct)
  • The South Pole is tilted away from the Sun.

    • What is the duration of a Krata Yuga?

  • 1.73 x 106 years (correct)
  • 1.30 x 106 years
  • 4.32 x 105 years
  • 8.64 x 105 years

    • What is the shortest day of the year in a hemisphere's winter solstice?

  • A day of equal length to night
  • The day of the vernal equinox
  • The shortest day of the year (correct)
  • The longest day of the year

    • What is the term for an event happening at or near the time of an equinox?

    <p>Equinoctial</p> Signup and view all the answers

    What is the time period during which the day and night are of equal length?

    <p>Equinox</p> Signup and view all the answers

    What is the longest unit of time mentioned in the ancient Indian system of timekeeping?

    <p>Kalpa</p> Signup and view all the answers

    What was the basis of the month division in late Vedic India?

    <p>Divided into two lunar fortnights</p> Signup and view all the answers

    When is the Siddhāntic era believed to have begun?

    <p>5th century CE</p> Signup and view all the answers

    What was Āryabhaṭa I's contribution to astronomy?

    <p>All of the above</p> Signup and view all the answers

    What was the estimated diameter of the earth according to Āryabhaṭa I?

    <p>1,050 yojanas</p> Signup and view all the answers

    What was the significance of the Yavanajātaka?

    <p>It recorded the zodiac of 12 signs</p> Signup and view all the answers

    What was the meaning of the Sanskrit word 'siddhānta'?

    <p>Collection of conclusions or treatise</p> Signup and view all the answers

    What was the duration of a solar year according to the Yajur Veda?

    <p>365 days</p> Signup and view all the answers

    What is the number of nakṣatras or lunar mansions mentioned in the text?

    <p>27</p> Signup and view all the answers

    What is the duration of a 'day of Brahmā' according to Jain texts?

    <p>4.32 billion years</p> Signup and view all the answers

    During which period did Jain astronomy develop, based on a peculiar model of two sets of 27 nakṣatras?

    <p>3rd century BCE to the 1st century CE</p> Signup and view all the answers

    What was introduced a few centuries BCE, due to Babylonian and Greek influences?

    <p>The seven-day week</p> Signup and view all the answers

    How many months are in each ṛtu or season, according to the Yajur Veda?

    <p>2 months</p> Signup and view all the answers

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