radial velocity

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Explore exoplanets and the techniques used to detect them

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Indian hijras participate in a religious procession in Gandhinagar, India, some 30 kilometers from Ahmedabad, on March 22, 2017. Hijra is a term used in South Asia which refers to transgender individuals who are born male. (gender identity, gender expression)

6 Cultures That Recognize More than Two Genders

Demystified - Do Lemmings Really Commit Mass Suicide? illustration

Do Lemmings Really Commit Mass Suicide?

World Data Locator Map: Australia

Is Australia an Island?

Malayan Leaf Frog - Megophrys nasuta

9 Animals That Look Like Leaves

Dr. Martin Luther King Jr. addresses marchers during his "I Have a Dream" speech at the Lincoln Memorial in Washington. August 28th 1963

Was Martin Luther King, Jr., a Republican or a Democrat?

Washington, D.C. locator map.

What State Is Washington, D.C. In?

jeans, denim, pants, clothing

Why Do We Say “A Pair of Pants”?

radial velocity: Media

astronomy

Videos

Explore exoplanets and the techniques used to detect them

Explore exoplanets and the techniques used to detect them

Learn about extrasolar planets (exoplanets) and the techniques used to detect them.

Video: © Massachusetts Institute of Technology (A Britannica Publishing Partner)