Astronomy Day Apr 29, 2023

Get your telescope and star map app ready because it"s Astronomy Day! Doug Berger, then president of the Astronomical Association of Northern California, created Astronomy Day in 1973 to get more people interested in the wonders of space. He set up telescopes on street corners, malls, and parks to give people a chance to see the stars firsthand.

© Schroptschop/Getty Images

palette

Today in History

Apr 29, 2018National Park Week: Olympic National Park, Washington
Apr 29, 2019New beginnings
Apr 29, 2020Spring comes to the Palouse
Apr 29, 2022Arbor Day
Apr 29, 2024Fujian Tulou, China
Apr 29, 2025Formal garden at Château de Villandry, Loire Valley, France

More Desktop Wallpapers:

Jan 14, 2021Summer huts in winter
Mar 1, 2021Gazing upon Portraits of Change
Aug 26, 2024Palmyra Atoll National Wildlife Refuge
Oct 2, 2023World Architecture Day
Nov 1, 2019The National Museum of the American Indian
Jul 31, 2021Fashion models of the avian world
Sep 18, 2025Dunquin Pier, County Kerry, Ireland
Jan 19, 2024Plitvice Lakes National Park, Croatia
Feb 1, 2018Stuben am Arlberg, Austria
Jul 12, 2023Nakupenda Beach Nature Reserve, Zanzibar, Tanzania
Mar 20, 2022World Frog Day
Mar 31, 2024Happy Easter!
May 8, 2025World Donkey Day
Apr 17, 2020It s a ruff life
Jun 30, 2021An impactful day
Sep 6, 2019The old guard at Old San Juan
Feb 8, 2019A winter light show
May 2, 2025Striated heron on a Victoria water lily, Pantanal, Brazil
Sep 27, 2023Via Krupp, Capri, Italy
Apr 13, 2018Replica of a Viking home in Dublin National Botanic Gardens, Ireland
Feb 6, 2024Bonsai Rock, Lake Tahoe, Nevada
Oct 9, 2022Earth Science Week
Mar 24, 201930 years after Exxon Valdez
Apr 13, 2024Apple trees in spring, Germany
Jul 1, 2025Happy Canada Day!
Jun 14, 2018Celebrating Flag Day: ‘O long may it wave’
Dec 28, 2019Did they forget to fly south?
Oct 28, 2019A night on the (ghost) town
Feb 15, 2023Hippo family in Chobe National Park, Botswana
Jan 24, 2026Andermatt village in the Alps, Switzerland