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Turning on the lights: how long did it take for the Sun to form?

Prehistoric cave dwellers adorned their homes with drawings of the Sun, stars, and planetary bodies of the Solar System, so it is safe to say that objects beyond Earth have been fascinating humans since long before our species could even express their awe in written... click to read more

  • Gregory A. Brennecka | Staff Scientist at Lawrence Livermore National Laboratory, Livermore, California, USA
Views 455
Reading time 3.5 min
published on Sep 30, 2021
Is the Sun a Sun-like star?

Is the Sun a Sun-like star? Asking this oxymoronic question might sound strange to most people, but not to astronomers. Comparing the Sun with other stars is a common technique to better understand the Sun and its behavior. Of particular interest here are stars very... click to read more

  • Timo Reinhold | Postdoctoral Research Fellow at Max Planck Institute for Solar System Research, Göttingen, Germany
  • Alexander I. Shapiro | Postdoctoral Research Fellow at Max Planck Institute for Solar System Research, Göttingen, Germany
Views 551
Reading time 4.5 min
published on Jun 11, 2021
The escape of the Sun’s fraternal twin

Roughly half of all stars are in multiple systems (binaries, triples etc), which means that two or more stars orbit each other because of their mutual gravitational pull. For stars of about the mass and age of the Sun, the average separation between companion stars... click to read more

  • Sarah Sadavoy | Hubble Fellow at Harvard-Smithsonian Center for Astrophysics, Cambridge, United States
  • Steven Stahler | Associate Researcher at University of California, Berkeley, Department of Astronomy, Berkeley, United States
Views 3058
Reading time 3.5 min
published on May 8, 2018