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📡 Orbital Briefing

SpaceX Falcon Heavy Prepares for Roman Telescope Launch

SpaceX Falcon Heavy rocket launching at night with bright flames and smoke trailing behind.
Image: NASA/HQ
Quick answer · as of 25 Aug 2026

SpaceX's Falcon Heavy is set to launch NASA's Roman Space Telescope, while astronauts conduct a spacewalk on the ISS to replace a failed antenna.

SpaceX's Falcon Heavy is poised for a significant mission as it prepares to launch NASA's Roman Space Telescope from Florida. The telescope, named after Nancy Grace Roman, NASA's first Chief of Astronomy, aims to explore dark energy, dark matter, and exoplanets. The launch is scheduled for later today, with NASA providing live coverage. This mission marks another milestone for SpaceX, which continues to play a pivotal role in advancing space exploration.

ISS Spacewalk Replaces Antenna

Technician inspecting Space Shuttle Atlantis wing spars in Orbiter Processing Facility at Kennedy Space Center.
KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility (OPF), a United Space Alliance technician examines the attachment points for the spars on the exterior of a wing of Space Shuttle Atlant · Image: NASA/KSC

Two astronauts aboard the International Space Station (ISS) successfully replaced a failed antenna during a spacewalk today. Jessica Meir and Anna Kikina spent several hours outside the station, ensuring the vital communications equipment was restored. The operation was crucial for maintaining the ISS's ability to communicate with ground control and other satellites. For those interested in tracking the ISS's movements, visible passes can be checked on the Orbital Radar pass predictor.

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Close Approaches in Orbit

Recent days have seen several close approaches between satellites, with the closest being between TIANHUI 2-01A and TIANHUI 2-01B at just 0.55 km apart. Such events highlight the growing congestion in Earth's orbit, raising concerns about potential collisions. The Orbital Radar Debris Map provides real-time tracking of these objects, helping to monitor and manage space traffic.

What to Watch

Following today's Falcon Heavy launch, SpaceX is also preparing for a Starlink mission using a Falcon 9 booster on its record-breaking 37th flight. This mission underscores the rapid pace of satellite deployment, with Starlink currently accounting for over 10,000 active satellites. For those tracking Starlink's progress, the Starlink Tracker offers detailed insights into the constellation's status.

Frequently Asked Questions

What is the Roman Space Telescope?
The Roman Space Telescope is a NASA mission designed to investigate dark energy, dark matter, and exoplanets. It is named after Nancy Grace Roman, NASA's first Chief of Astronomy.
How can I track the ISS?
You can track the International Space Station's movements and visible passes using the Orbital Radar pass predictor.
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