Ocean

July 24 (UPI) — SpaceX on Friday had a successful 13th flight test of Starship, the space vessel and rocket duo that is expected to help NASA return humans to the moon.

Starship lifted off from SpaceX’s Starbase in Texas around 6:45 p.m. on a suborbital trajectory — just barely getting to space while performing a number of key maneuvers — before a soft splashdown in the Indian Ocean.

Both SpaceX and its owner, Elon Musk, said in posts on X that the test was a success, most notably because of the significant improvement in performance for the ship’s heat shield during reentry.

They also said it was notable that after mimicking the way Starship will eventually land upright, the vessel did not explode upon landing in the Indian Ocean and was still transmitting telemetry data and video.

The test of Starship’s third iteration had been pushed back several times because of weather concerns, which would have interfered in parts of the SpaceX team’s test goals.

The flight was the second for the third version of Starship and its Super Heavy V3 booster, and accomplished — with updated systems — a similar set of test objectives as the 12th flight, SpaceX said.

“A key objective for the flight test is to get clear imagery from the ground of Starship’s heatshield as it flies at a higher dynamic pressure during ascent, which won’t be possible with today’s weather conditions,” SpaceX said in an update on X after scrubbing Thursday’s launch attempt.

“Visibility is forecast to be ideal for a Friday attempt,” the company said.

SpaceX said that upgrades to Starship for the 13th flight test have included changes to the vessel’s startup sequence and adjustments to Raptor engines on both its booster section and the ship itself.

The upgrades were meant to address issues with a small number of engines during boost back and relighting in space during the 12th flight test.

Starship also will be carrying 20 Starlink V3 satellites into space during the test flight, which SpaceX said “aim to greatly expand the network’s capacity and user speeds.”

July 17 (UPI) — A 7.3-magnitude earthquake struck off the Mexico-Guatemala coast in the Pacific Ocean on Friday, being felt as far as El Salvador.

Authorities said there were no casualties or major damage from the quake.

The epicenter was located some 36 miles off the coast of the Mexican state of Chiapas, according to the U.S. Geological Survey.

Four people were injured in Chiapas, and authorities have also responded to reports of minor structural damage, CNN reported.

President Claudia Sheinbaum said emergency protocols were activated in several Mexican states.

“Authorities from all three levels of government are conducting inspections on the ground to assess any possible structural damage and coordinate preventive measures,” Sheinbaum said on X.

In Guatemala, President Bernardo Arevalo said the quake caused landslides in the city of San Pedro La Laguna, but no major incidents were reported.

“We are already clearing the affected section and taking steps to ensure public safety,” Arevalo said on X.

Officials in El Salvador, where the tremor triggered evacuations, said no major damage was reported.

Gov. Salomon Jara Cruz, of the Mexican state of Oaxaca, said the quake was felt “with moderate intensity.”

WITH thousands of people flocking to the seaside to cool off, beach safety is all the more important.

And there is one phenomenon called “square waves” which are extremely dangerous for anyone in the water.

Also called cross waves, the unusual wave pattern is formed when two different weather systems collide, creating the checkered effect.

This is because of the waves hitting each other as the they come rom different directions.

While they may look pretty, or even not very strong, they actually are much more dangerous than they appear.

They are similar to rip tides which can make it hard for people to get out of the water.

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They can be found both close to the shoreline and far out at sea – which has even resulted in causing shipwrecks, according to the European Space Agency.

Some of the places they have been spotted include La Rochelle in France, where they can seen from above via the lighthouse.

Last year, they were also spotted off the coast of Turkey, in the Aegean Sea.

Lisbon in Portugal and Hawaii are all places where they can occur too.

One person previously wrote on social media: “We were always taught to keep an eye out for the ‘squares’ – the grid can pull you back and fourth for hundreds of feet and make it hard to stay calm.”

If you want to avoid the ocean entirely, we’ve rounded up 10 of the best inland beaches in the UK.