Astronomy on Clusters and Climate

Interstellar Visitors: What We Learn from Objects From Beyond Our Solar System

Thu, 02 Oct 2025 12:00:00 +0530

Interstellar objects — bodies that originate outside our Solar System and pass through it — have captured astronomers’ imaginations since 2017, when the first confirmed visitor, 1I/‘Oumuamua, was discovered. These rare wanderers are natural laboratories: they carry material formed around other stars and let us test ideas about planet formation, the distribution of volatiles, and even the possibility of panspermia.

Saturn and Jupiter's Great Conjunction: A Once-in-a-Lifetime Event?

Sun, 15 Nov 2020 00:00:00 +0000

A lot has been said about the rare celestial event occurring on December 21, 2020—the Great Conjunction of Saturn and Jupiter. On this day, the two gas giants will pass within just 6 arcminutes (or 0.1 degrees) of each other—appearing almost as a single bright “star” to the naked eye.

How I Followed the Solar Eclipse

Sun, 05 Jan 2020 00:00:00 +0000

2010 – The First Experience

My 2010s kicked off with a bang: the longest annular solar eclipse of the millennium, on 15 January 2010. The annular phase lasted just over 11 minutes, with the moon covering about 91% of the Sun. I joined a group of fellow eclipse chasers and traveled more than 3000 km from Pune to Rameshwaram—just to catch those magical moments.

When the Sun-Moon duo turned into the Ring of Fire

Sun, 05 Jan 2020 00:00:00 +0000

Following article is written by one of the participants of solar eclipse expedition - Sania Rahigude. She pours out her journey and experience of Solar Eclipse Expedition through this article.