ISS Silhouette on the Moon and Solar Eruptions: Weekly Space Highlights

Introduction

Welcome to another exciting week full of news.

Best image of the week

On June 18, 2025, an amateur astronomer in Palo Alto captured the International Space Station gliding across a gibbous Moon in a fleeting 1/667-second exposure. This striking silhouette frames the station’s solar arrays against the lunar disk, highlighting the precision required to time such transits. It’s a vivid reminder of humanity’s presence in Earth orbit, seen against our nearest celestial neighbor.

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Last week news

• June 10, 2025: NASA’s PUNCH (Polarimeter to Unify the Corona and Heliosphere) mission released its first high–resolution images of coronal mass ejections, tracing the rapid expansion of solar plasma into interplanetary space and improving our ability to forecast space weather.

• June 12, 2025: The NASA-ISRO Synthetic Aperture Radar (NISAR) satellite arrived at India’s Satish Dhawan Space Centre, marking a final prelaunch milestone ahead of its planned July liftoff to monitor Earth’s changing ecosystems.

• June 13, 2025: NASA’s Artemis II science team inaugurated the new Science Evaluation Room at Johnson Space Center, running the first mission simulation to refine lunar research operations for the upcoming crewed lunar flyby.

• June 14, 2025: China launched its second collaborative seismo-electromagnetic satellite, CSES-2, aboard a Long March 2D rocket from Jiuquan, aiming to detect electromagnetic signals that may precede natural disasters on Earth.

Upcoming events

• June 19, 2025: Before dawn, look east for a third-quarter Moon paired with Saturn, rising around 1:30 a.m. and offering a gorgeous telescopic view of the ringed planet illuminated beside the lunar limb.

• June 22, 2025: Axiom Mission 4—crewed by Peggy Whitson, Shubhanshu Shukla, Sławosz Uznański-Wiśniewski, and Tibor Kapu—will lift off from Kennedy Space Center aboard a SpaceX Crew Dragon for a multi-week stay at the ISS, marking India’s first astronaut flight to a private commercial station mission.

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