Summary of Chat with Jonathan McDowell- DART, SLS and more

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00:00:00 - 01:00:00

Jonathan McDowell discusses the Dart mission to study an asteroid, the importance of precision in scientific measurements, and how the successful mission has helped reduce uncertainties in our understanding of the squishiness of asteroids. He also discusses the DART, SLS, and Automatic Targeting System, and how recent space missions have helped scientists learn more about the physics of asteroids.

  • 00:00:00 Jonathan McDowell discusses the 10-month mission undertaken by the Dart mission to study an asteroid. He explains that the mission was a success and that the asteroid, dimorphous, was successfully impacted by Dart.
  • 00:05:00 Jonathan McDowell discusses the importance of precision in scientific measurements, and how Dart's successful mission helped reduce uncertainties in our understanding of the squishiness of asteroids.
  • 00:10:00 Jonathan McDowell discusses DART, SLS, and the Automatic Targeting System on his YouTube channel. He says that while there are likely some glitches in the system, they are confident that it will work as expected during launch.
  • 00:15:00 Jonathan McDowell discusses how Dart and other recent space missions have helped scientists learn more about the physics of asteroids, and how future asteroid mining missions will need to be bigger in order to be effective.
  • 00:20:00 Jonathan McDowell discusses the importance of asteroid detection and tracking, as well as the work being done by the European Dark Mission and the upcoming continuation of the dark mission, Dimorphous.
  • 00:25:00 Jonathan McDowell is a physicist and author who grew up in the UK, and has experience with both NASA and the Science Museum of London. He founded the website "Chat with Jonathan McDowell" in order to share his knowledge and passion for space with the public. McDowell's extensive knowledge of different languages has helped him to provide translations for Iran's satellite launch, and to understand the cultural nuances of other countries.
  • 00:30:00 Jonathan McDowell discusses his experiences as a science communicator and discusses the importance of having a mix of skills when it comes to communicating science. He notes that although it is not required to have a PhD to be a good science communicator, having done research andhaving a good understanding of science can help open doors and help people respect the questions asked.
  • 00:35:00 Jonathan McDowell discusses the importance of communicating astronomy discoveries to the public, and howscientists need to be prepared to say things that are not 100% correct in order to make the discoveries easy to understand. He also mentions how Voyager 2 was able to explore Neptune in a relatively short amount of time due to the planets lining up in a certain way.
  • 00:40:00 Jonathan McDowell discusses the Uranus Orbiter and probe mission, the lack of funding for it, and the importance of the outer solar system to humanity.
  • 00:45:00 Jonathan McDowell discusses the problems with the SLS launch vehicle and the lack of testing that has been done on the ground. He also talks about the European Ariane 5 rocket and how they have been able to avoid problems in the past. He thinks that SLS may not launch until early next year due to the current launch situation.
  • 00:50:00 Jonathan McDowell discusses the possible launch delays for SpaceX's Falcon 9 and Blue Origin's New Glenn rockets, and believes that Blue Origin is more stressful to launch than SpaceX. He has confidence in the new Shepard system, although he is concerned about potential launch delays for Blue Origin's New Glenn.
  • 00:55:00 Falcon 9 is a more dangerous and faster system to use for spaceflight than either the Soyuz or the Shenzhou, but Rodney Isaacman, an astronaut and the person who funded the inspiration for a mission to Hubble, says that it is still a very safe and viable option. NASA is currently studying a possible way to reboost Hubble's orbit, but Isaacman warns that if this doesn't work, the telescope could eventually be deorbited.

01:00:00 - 01:15:00

The video features Jonathan McDowell discussing the UK space industry, the likelihood of various catastrophic events, and the future of space exploration. He provides an overview of the study being conducted on the possible benefits and challenges of combining a Hubble servicing mission with a reboost mission by private industry, and gives his opinion on whether or not private industry should be responsible for this type of mission.

  • 01:00:00 The video discusses the possible benefits and challenges of combining a Hubble servicing mission with a reboost mission by private industry. Jonathan McDowell provides an overview of the study being conducted and provides his opinion on whether or not private industry should be responsible for this type of mission.
  • 01:05:00 The video discusses the UK space industry, focusing on the growth of the sector since Jonathan McDowell became involved. He notes that there are multiple proposed launch sites across the UK, and that one site, in Scotland, is already operational. He also discusses the potential for dangerous meteors, noting that although they are rare, they can cause serious injury if they hit someone on the head.
  • 01:10:00 Jonathan McDowell discusses the likelihood of various types of catastrophic events, and gives his opinion that the most likely catastrophic event in the next 20 years is an earthquake. McDowell also comments on the activity happening in China in space. He believes that China or another state sponsor will get to the moon first, but the US will ultimately be the first country to send astronauts there.
  • 01:15:00 Jonathan McDowell discusses DART, SLS, and the future of space exploration. He emphasizes that there is still a lot of work to be done before we can say who is currently leading the race in space exploration.

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