SpaceX Launch - October 7

The first Block 5 Falcon 9 at Kennedy Space Center.                  SpaceX

The first Block 5 Falcon 9 at Kennedy Space Center. SpaceX

This time around, the Falcon 9's booster returned to SpaceX's ground-based Landing Zone 4 (LZ-4), located right next to the launch pad at Vandenberg AFB.

After launching a satellite from California's Vandenberg Air Force Base on Sunday evening with the Falcon 9 rocket, the spaceflight company brought its first stage booster back to Earth just under eight minutes after liftoff.

Then a secondary challenge: SpaceX will try to land the first stage of their rocket back at a landing zone.

Nearby residents in Santa Barbara, Ventura and San Luis Obispo counties were warned they "may hear one or more sonic booms" from the landing.

SpaceX has previously landed first stage rockets on land after Florida launches but had not done so on the West Coast.

Liverpool suffer late defeat at Napoli
Napoli take on Liverpool in the second round of Champions League group matches with kickoff at the Stadio San Paolo at 2000 GMT . Liverpool host Manchester City in a top-of-the-table Premier League clash on Sunday.

It will be SpaceX's first time trying to land one of its reusable rockets on the West Coast. "This won't be subtle". The rocket plume is expected to be illuminated by the sun after the launch at 7:21 p.m. Sunday.

The satellite will be operated by Argentina's space agency, known as the National Commission on Space Activites or by its Spanish-language acronym, CONAE.

Saocom-1A has an L-band payload created to study soil moisture for agriculture, disaster monitoring and scientific research.

To put the satellite into the intended polar orbit, the Falcon 9 quickly arced away to the south over the Pacific Ocean, smoothly accelerating as it consumed its liquid oxygen and kerosene propellants and lost weight.

Using titanium "grid fins" at the top of the rocket for steering and attitude control, the booster plummeted tail-first toward Vandenberg. The booster, meanwhile, relit its engines to maneuver itself for the return trip to SpaceX's landing zone, not far from the launch pad.

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