How Can We Best Observe the Sun’s Chromosphere and Corona?

The Sun’s chromosphere. It appears deep red when observed in the Hα spectral line. Credit: BBSO/NJIT.…

Stargazing Calendar for December 2024

Geminids meteor shower over Kitt Peak National Observatory. Credit: KPNO/NOIRLab/NSF/AURA/R. Sparks (NSF’s NOIRLab). License: CC BY…

How Did Mars Get Its Name?

Mars in true color, as captured by the Hope orbiter. Credit: Kevin Gill. License: CC BY…

Stargazing Calendar for November 2024

Photograph of Uranus in true color by Voyager 2 in 1986. Get ready to look up—November…

Stargazing Calendar for October 2024

The 2023 annular solar eclipse from Southern Utah. Credit: Daniel Pick. License: CC BY 4.0. October…

NGC 6355 – A Guide to the Globular Cluster

Globular cluster NGC 6355. Credit: ESA/Hubble & NASA, E. Noyola, R. Cohen. License: CC BY 4.0.…

Stargazing Calendar for September 2024

Comet C/2023 A3 (Tsuchinshan-ATLAS) on 10 June 2024. Credit: Wikipedia user C messier. License: CC BY-SA…

An Intriguing Double Star Cluster

NGC 1850 double star cluster in the Dorado constellation, located in the Large Magellanic Cloud. Credit:…

Stargazing Calendar for August 2024

Perseid meteor shower peak in 2023. Credit: Jim Vajda. License: CC BY 2.0. Get ready for…

Stargazing Calendar for July 2024

Artist’s view of bright spots on Ceres based on a detailed map of the surface compiled…