Surrounding our solar system is a natural and enigmatic cosmic shield called the heliosphere — and a new mission aims to help astronomers better understand it. Created by the solar wind, a constant ...

This incident felt like a small thorn in my heart and led me to reconsider an old question: if the universe really has a boundary, what exactly lies beyond it? Let me first mention an interesting ...

Through the James Webb Space Telescope and the Hubble Telescope, it has been possible to confirm the expansion of the ...

While an eternal and infinite universe is appealing, the idea does not fit in with modern observations of redshift and galaxy ...

Recently, I delved into materials related to the universe, and the more I explored, the more fascinated I became, especially fixating on the images of cosmic microwave background radiation—those ...

Abstract: The Cosmic Microwave Background (CMB) data analysis and the map-making process rely heavily on the use of spherical harmonics. For suitable pixelizations of the sphere, the (forward and ...