northern hemisphere

variants: or Northern Hemisphere

Definition of northern hemisphere

: the half of the earth that lies north of the equator

Examples of northern hemisphere in a Sentence

Recent Examples on the Web

Uranus’ is even more outlandish, like a bar magnet that has flipped upside-down, meaning its magnetic south juts out from the planet’s northern hemisphere. National Geographic, "Bizarre form of hot ice seen on Earth," 8 May 2019 The one that occurs in September is known as the autumnal equinox for those of us living in the northern hemisphere, while the one that happens in the spring is known as the vernal equinox. Rebekah Lowin, Country Living, "When Is the First Day of Fall in 2019—and When's the Fall Equinox?," 13 Aug. 2019 The Perseid meteor shower will be visible tonight in certain areas of the northern hemisphere. Daisy Hernandez, Popular Mechanics, "How To Watch the Perseids Meteor Shower Tonight," 12 Aug. 2019 Learning how to survive long-term in space is important because there is frozen water on both the moon and Mars — two-thirds of Mars’ northern hemisphere is believed to be covered by frozen water. Peter Fimrite,, "Long-term space journeys to allow humans to become almost completely self-sufficient," 8 June 2019 In the not-so-distant future, cities in the northern hemisphere will have climates more like cities 620 miles to their south today, the study's senior author, Tom Crowther, told National Geographic. Priscilla Totiyapungprasert, azcentral, "Phoenix could feel more like Baghdad by 2050, a new climate study says," 11 July 2019 The eruption of Mount Pinatubo in the Philippines in 1991, for example, reduced temperatures in the northern hemisphere by as much as 0.5ºC for four years. The Economist, "Reaching for the sunshade: July 2030," 4 July 2019 In this unique design (a similar study was done in 2002, Krischvink says there was not enough power), researchers created a magnetic field that imitated part of Earth's, especially around the northern hemisphere. David Grossman, Popular Mechanics, "Some Humans Can Detect the Earth's Magnetic Field," 19 Mar. 2019 Friday is the start of the summer solstice in the northern hemisphere, making it the longest day and shortest night of 2019 for those above the Equator. Nadia Suleman, Time, "Google Celebrates the Summer Solstice With a Pastel Doodle," 21 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'northern hemisphere.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of northern hemisphere

1646, in the meaning defined above

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Last Updated

23 Sep 2019

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The first known use of northern hemisphere was in 1646

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