Main asteroid belt in white, Trojan asteroids in green, Hilda asteroids in orange, near-Earth objects in…
Category: Astro Blog
Astro Blog
How Is the Sunspot Cycle Directly Relevant to Us Here on Earth?
One of the largest sunspots ever recorded at 130,000 km wide on October 18, 2014. Ten…
Stargazing Calendar for October 2023
Andromeda Galaxy. Credit: Torben Hansen. License: CC BY 2.0. October brings forth a celestial extravaganza, showcasing…
What Practical Value Did Astronomy Offer to Ancient Civilizations?
Have you ever looked up at the night sky and wondered how ancient civilizations interpreted the…
Why Does Titan Have a Dense Atmosphere
True-color image of layers of haze in Titan’s atmosphere. Photo taken by the Cassini spacecraft. Credit:…
How Astronomers Explore the Sun’s Layers Below the Photosphere
The layers of the Sun. Image by Kelvin Song. License: CC BY-SA 3.0. The Sun, our…
Why Are Star Clusters Ideal Laboratories for Stellar Evolution
Globular cluster M2. Located 37,000 light-years from Earth in the constellation of Aquarius. Credits: NASA, ESA,…
What Heats the Chromosphere and Corona to High Temperatures?
Chromosphere and corona during the 1999 total solar eclipse in France. Photo by Luc Viatour. License:…
What Separates the Inner and Outer Solar System?
Solar system in true color and size. Distances not to scale. Credits: NASA, Kevin M. Gill,…
Why Do We Think Triton Is a Captured Moon?
Montage of Neptune and its moon Triton. Credit: NASA/JPL. Have you ever wondered why scientists believe…