Heart-shaped rock hole near Nakalele Blowhole on Maui
A heart-shaped rock hole near Nakalele Blowhole on Hawaii’s Maui island adds extra romance to this paradise locale. Credit: Brian Lauer, CC BY 2.0

You show your love for geoscience in thousands of tiny ways. Your eyes might light up when you see unexpected geology in the rockface alongside the road. Maybe you can’t help but puzzle over the mineralogy of a handful of sand at the beach. Or you might know obscure trivia about planets and moons and can’t help sharing it with everyone. This Valentine’s Day, celebrate your love of Earth and space science with these naturally heart shaped features that show that the feeling is mutual.


No Barriers Between Our Hearts

We want this barrier—Australia’s Great Barrier Reef, that is—to stick around for a long time.

Heart-shaped reef island in the Great Barrier Reef
Credit: alicia3690, CC0

You’ve Got Me On Cloud Nine

Watch beautiful and bold lenticular clouds form over New Zealand’s Mount Cook National Park. A special heart-shaped cloud glows red in the video below.

Your Love Sends Me to Mars

Mars has shared its heart-shaped craters, mesas, and depressions with many of the missions that study the Red Planet.

You Melt My Heart

Shimshal Lake, nestled in Hunza Valley in Pakistan, is hard to reach, but when you do reach it, this glacier melt lake will melt your heart.

You’re the Light in My Skies

The aurora borealis sent its love from the top of the world in October 2016.


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Pluto Loves You, Too

Planetary scientists love Pluto’s heart for its abundance of scientific potential.

These Are Tears of Joy

Cry only happy tears when you visit Pitugro waterfall in Thailand’s Umphang Wildlife Sanctuary.

Heart-shaped waterfall in Thailand
Credit: iStock.com/banjongseal

You Warm My Heart

In April 2016, the Sun showed us its love with a heart-shaped sunspot as big as Earth.

Your Love Stopped Me Cold

A love frozen, yet fleeting: This temporary heart froze out of the Minneopa waterfall in Minneopa State Park near Mankato, Minn., in February 2016.

Heart-shaped frozen waterfall
Credit: iStock.com/storkalex

—Kimberly M. S. Cartier (@AstroKimCartier), Staff Writer


Cartier, K. M. S. (2019), Heart-shaped valentines, from nature to you, Eos, 100, https://doi.org/10.1029/2019EO116259. Published on 14 February 2019.

Text © 2019. AGU. CC BY-NC-ND 3.0
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