Apr 11, 2019

SpaceX launches (and then lands) its powerful Falcon Heavy rocket

SpaceX's Falcon Heavy rocket — the most powerful rocket flying today — lofted a communications satellite to orbit from Florida on Thursday evening, before coming in for a soft landing back on Earth.

Why it matters: While SpaceX's first Falcon Heavy launch in February 2018 was a successful proof of concept, this launch marks the first time the rocket has actually delivered a payload to orbit for a paying customer. It also is the first time the Elon Musk-founded company successfully recovered 3 rocket stages at once.

After sending the satellite to orbit, the rocket's three boosters — two side boosters and a core stage — turned around and came back down for landings on Earth.

  • The two side boosters landed back on solid ground in Florida, while the core stage landed on a drone ship in the Atlantic Ocean.
  • These rocket landings aren't just for show, they're a big part of SpaceX's business plan, which centers on landing, refurbishing and reflying boosters in order to drive down the cost of launching to space.

Details: Before landing, Falcon Heavy delivered the communications satellite Arabsat-6A to space for Saudi Arabia.

  • This rocket represents an upgrade from the first Falcon Heavy that launched a Tesla Roadster to orbit last year. According to SpaceX, the modified rocket generates about 5 million pounds of thrust during launch.
  • The Falcon Heavy is basically three of the company's Falcon 9 rockets strapped together.

The bottom line: This successful launch could help SpaceX garner more customers for its Falcon Heavy rocket. While the Falcon 9 consistently launches payloads to orbit every month or so, the Falcon Heavy is the new rocket on the block.

  • Although the big rocket has a few missions on the books for the Air Force, Inmarsat, and Viasat, commercial missions like this one will go a long way toward proving its reliability.

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Coronavirus dashboard

Illustration: Aïda Amer/Axios

  1. Global: Total confirmed cases as of 2 p.m. ET: 5,453,784 — Total deaths: 345,886 — Total recoveries — 2,191,310Map.
  2. U.S.: Total confirmed cases as of 2 p.m. ET: 1,651,254 — Total deaths: 97,850 — Total recoveries: 366,736 — Total tested: 14,163,915Map.
  3. World: Top Boris Johnson aide defends himself after allegations he broke U.K. lockdown — WHO suspends trial of hydroxychloroquine over safety concerns.
  4. 2020: Trump threatens to move Republican convention from North Carolina — Joe Biden makes first public appearance in two months.
  5. Public health: Officials are urging Americans to wear masks over Memorial Day.
  6. Economy: White House economic adviser Kevin Hassett says it's possible the unemployment rate could still be in double digits by November's election — Charities refocus their efforts to fill gaps left by government.
  7. What should I do? Hydroxychloroquine questions answeredTraveling, asthma, dishes, disinfectants and being contagiousMasks, lending books and self-isolatingExercise, laundry, what counts as soap — Pets, moving and personal healthAnswers about the virus from Axios expertsWhat to know about social distancingHow to minimize your risk.
  8. Other resources: CDC on how to avoid the virus, what to do if you get it, the right mask to wear.

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Updated 1 hour ago - Politics & Policy

Joe Biden makes first public appearance in over two months

Photo: Oliver Douliery/AFP via Getty Images

Former Vice President Joe Biden made his first in-person appearance in over two months on Monday to honor Memorial Day by laying a wreath at a Delaware veterans park, AP reports.

Why it matters: Biden, the Democratic Party's presumptive nominee, has taken the unprecedented step of campaigning from his home during the coronavirus pandemic, ever since canceling a rally in Cleveland on March 10.

WHO temporarily suspends trial of hydroxychloroquine over safety concerns

Photo: Fabrice Coffrini/AFP via Getty Images

The World Health Organization is temporarily pausing tests of the anti-malarial drug hydroxychloroquine as a coronavirus treatment in order to review safety concerns, the agency's director-general Tedros Adhanom Ghebreyesu said Monday.

Why it matters: The decision comes after a retrospective review published in The Lancet found that coronavirus patients who took hydroxychloroquine or its related drug chloroquine were more likely to die or develop an irregular heart rhythm that can lead to sudden cardiac death, compared to those who did nothing.