List of years in science (Table)
… 1637 • 1638 • 1639 • 1640 • 1641 • 1642 • 1643 •    1644 • 1645 • 1646 – 1647 – 1648 • 1649 • 1650 •    1651 • 1652 • 1653 • 1654 • 1655 • 1656 • 1657 …
Related time period or subjects
… 1644 • 1645 • 1646 – 1647 – 1648 • 1649 • 1650 … … 1610s • 1620s • 1630s – 1640s – 1650s • 1660s • 1670s … … 16th century – 17th century – 18th century …
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The year 1647 in science and technology involved some significant events.

Technology

• The heights of mountains began to be measured by using a barometer to gauge pressure at various elevations.

Astronomy

• Johannes Hevelius publishes the first comparatively detailed map of the Moon in his Selenographia.

Births

• April 2 - Maria Sybilla Merian, German biologist and entomologist who studied the life cycles of butterflies (died 1717)
• Denis Papin, French physicist and technologist (died c1712)

Deaths

• Evangelista Torricelli, Italian physicist and mathematician (born 1608)