trigonometry

Podcast | In Kannada: How Dung Beetles Find Their Way, Without Getting Lost

More Fun Than Fun: Dung Beetles, the Milky Way and the Marvels of Animal Navigation

astrometry, Gaia space probe, European Space Agency - ESA, telescope, astrolabe, armillary sphere, trigonometry, Hipparchus, parallax effect, heliometer telescope, 61 Cygni, Astrographic Catalogue, Space Age, Milky Way galaxy, white dwarf stars, Kepler space telescope, Hubble's constant, quadrants, sextants, astronomy,

From Hipparchus to Gaia, the Story of Finding Our Place Among Billions of Stars

Want to Track ‘Zero Shadow Days’? There’s (Now) an App for That

The centre of the Milky Way galaxy looms over the La Silla Observatory, Chile. Credit: esoastronomy/Flickr, CC BY 2.0

What Does the Milky Way Look Like? Astronomers Use High-School Math to Find Out