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The Sun and Moon Today

  • The Sun as seen today from NASA SDO.
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Astronomy Picture of the Day

Astronomy Picture of the Day

Satellite Events for Tonight

Curiosity Blog, Sols 4584 – 4585: Just a Small Bump

Reported by NASA

Written by Abigail Fraeman, Deputy Project Scientist at NASA’s Jet Propulsion Laboratory Earth planning date: Friday, June 27, 2025 We weren’t able to unstow Curiosity’s robotic arm on Wednesday because of some potentially unstable rocks under Curios...
  • By: NASA
  • On: Tue, 01 Jul 2025 23:46 +0000

A Spacecraft Carrying Human Remains and Cannabis Crashes into the Ocean

Reported by Universe Today

Failed Orbital Mission Loses Human Remains, Space Pot...
  • By: Matthew Williams (https://www.universetoday.com/authors/houseofwilliams)
  • On: Tue, 01 Jul 2025 20:52 +0000

Correcting Radius Biases in TESS Exoplanet Discoveries

Reported by Universe Today

How accurate are the exoplanet radius measurements obtained by NASA’s Transiting Exoplanet Survey Satellite (TESS)? This is what a recent study accepted to The Astrophysical Journal hopes to address as a team of researchers investigated how hundreds of e...
  • By: Laurence Tognetti, MSc (https://www.universetoday.com/authors/laurencetognetti)
  • On: Tue, 01 Jul 2025 20:52 +0000

Galaxy Clusters Have Been Surrounded by High-Energy Particles for Almost Their Entire History

Reported by Universe Today

If you could see the Universe through a radio-wave "eye", you'd detect mini-halos of relativistic particles creating radio emissions around some galaxy clusters. Astronomers long figured those halos are relative "recent" happenings in the nearby Universe a...
  • By: Carolyn Collins Petersen (https://www.universetoday.com/authors/cc-petersen)
  • On: Tue, 01 Jul 2025 20:52 +0000

Menstrual Cups Tested in Space Flight Conditions for the First Time

Reported by Universe Today

For long-duration missions, female astronauts generally use hormonal contraception to suppress their periods. But this method has potential health risks and requires special storage. Pads and tampons create waste in space. Now researchers have tested menst...
  • By: Mark Thompson (https://www.universetoday.com/authors/mark)
  • On: Tue, 01 Jul 2025 20:52 +0000

Tracking Macroplastics Leeching Into Rivers from Space

Reported by Universe Today

Rivers are one of the main ways that plastics get into the world's oceans, and now we can identify where plastic waste accumulates from space. Researchers used data from the Worldview-3 satellite to identify and map plastic material and polymer-coated surf...
  • By: Mark Thompson (https://www.universetoday.com/authors/mark)
  • On: Tue, 01 Jul 2025 20:52 +0000