Probal Dev Nath

Andromeda Galaxy Dark Matter: Tribute to Dr. Vera Rubin

A Tribute to Dr. Vera Rubin and the Discovery of Dark Matter The Andromeda galaxy dark matter story began in the 1960s, when Dr. Vera Rubin and her team made a groundbreaking observation. While studying the motion of stars in Messier 31 (M31), better known as the Andromeda galaxy, they noticed something unusual. Stars at…

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Ax-4 Joins Expedition: Private Crew Begins ISS Research Mission

Ax-4 Joins Expedition: Private Crew Begins ISS Research Mission Ax-4 joins Expedition aboard the International Space Station (ISS). This event marks the start of a collaborative two-week science mission. After docking at 6:31 a.m. EDT on Thursday, the four private astronauts from Axiom Mission 4 began working alongside the seven Expedition crew members. Together, they…

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Parker Solar Probe in solar wind (1)

Parker Solar Probe Executes 24th Perihelion Near the Sun

NASA’s Parker Solar Probe 24th flyby recently marked another milestone. On Thursday, June 19, the spacecraft reached 3.8 million miles (6.2 million kilometers) from the Sun’s surface, matching its record for closest approach. This flyby concluded the original mission timeline. However, Parker will continue orbiting the Sun and collecting valuable data until NASA reviews the…

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NASA’s Parker Probe Completes 24th Close Encounter with the Sun

NASA’s Parker Solar Probe completed its 24th close dive toward the Sun on Thursday, June 19. It flew just 3.8 million miles (6.2 million kilometers) above the solar surface, once again matching its record for closest approach. This milestone marked the final close flyby in the mission’s baseline plan. From this point forward, Parker will…

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Spinning Through Space: Why Celestial Bodies Rotate

Why does everything in the universe spin?Rotational motion plays a fundamental role in shaping the cosmos-from planets and stars to galaxies and black holes. This paper explores the physics behind rotational motion, including the principles of angular momentum conservation and the influence of collisions and cosmic explosions in generating spin. Drawing from personal experiences in…

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