NewsPronto

 
Men's Weekly

.

USA Conversation

The Conversation USA

The Conversation USA

Does outer space end – or go on forever?

  • Written by Jack Singal, Associate Professor of Physics, University of Richmond
imageIt can stretch your mind to ponder what's really out there.Stijn Dijkstra/EyeEm via Getty Imagesimage

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

What is beyond outer space? – Siah, age 11, Fremont, California

Right above you is the sky...

Read more: Does outer space end – or go on forever?

More Articles ...

  1. How to consume news while maintaining your sanity
  2. The dip in the US birthrate isn't a crisis, but the fall in immigration may be
  3. 'Managed retreat' done right can reinvent cities so they're better for everyone – and avoid harm from flooding, heat and fires
  4. This tiny minority of Iraqis follows an ancient Gnostic religion – and there's a chance they could be your neighbors too
  5. 4 ways to get more Black and Latino teachers in K-12 public schools
  6. Supreme Court unanimously upholds religious liberty over LGBTQ rights -- and nods to a bigger win for conservatives ahead
  7. Federal policy has failed to protect Indigenous women
  8. How Black writers and journalists have wielded punctuation in their activism
  9. Lighter pavement really does cool cities when it’s done right
  10. Academic tenure: What it is and why it matters
  11. Conservative hard-liner elected as Iran's next president – what that means for the West and the nuclear deal
  12. Too few women get to invent – that's a problem for women's health
  13. Young people are eager to have sex, but will post-pandemic hookups bring happiness or despair?
  14. A mix-and-match approach to COVID-19 vaccines could provide logistical and immunological benefits
  15. Being a pop star once meant baring skin – now, for artists like Billie Eilish and Demi Lovato, it's all about emotional stripping
  16. Millions are rejecting one of humanity's best weapons for saving lives: Vaccines
  17. Postal banking could provide free accounts to 21 million Americans who don't have access to a credit union or community bank
  18. What's a 100-year flood? A hydrologist explains
  19. What's the charitable deduction? An economist explains
  20. How Israel's missing constitution deepens divisions between Jews and with Arabs
  21. Nurturing dads raise emotionally intelligent kids – helping make society more respectful and equitable
  22. The first mobile phone call was 75 years ago – what it takes for technologies to go from breakthrough to big time
  23. Racial bias makes white Americans more likely to support wars in nonwhite foreign countries -- new study
  24. A court ruling on Shell's climate impact and votes against Exxon and Chevron add pressure, but it's the market that will drive oil giants to change
  25. Why nobody will ever agree on whether COVID lockdowns were worth it
  26. Biden's Supreme Court commission probably won't sway public opinion
  27. 5 ways MacKenzie Scott’s $8.5 billion commitment to social and economic justice is a model for other donors
  28. Faith still shapes morals and values even after people are 'done' with religion
  29. Smelling in stereo – the real reason snakes have flicking, forked tongues
  30. US bishops set collision course with Vatican over plan to press Biden not to take Communion
  31. Joe Biden, a father’s love and the legacy of 'daddy issues' among presidents
  32. What Greek epics taught me about the special relationship between fathers and sons
  33. Americans gave a record $471 billion to charity in 2020, amid concerns about the coronavirus pandemic, job losses and racial justice
  34. With Ford's electric F-150 pickup, the EV transition shifts into high gear
  35. It wasn't just politics that led to Netanyahu's ouster – it was fear of his demagoguery
  36. Bringing joy back to the classroom and supporting stressed kids – what summer school looks like in 2021
  37. Sticky baseballs: Explaining the physics of the latest scandal in Major League Baseball
  38. Artisan robots with AI smarts will juggle tasks, choose tools, mix and match recipes and even order materials – all without human help
  39. Teaching kids social responsibility – like how to settle fights and ask for help – can reduce school bullying
  40. Friends are saying 'I do' – but might not understand the legal risks of their platonic marriages
  41. What a Title IX lawsuit might mean for religious universities
  42. Rocky Mountain forests burning more now than any time in the past 2,000 years
  43. Netanyahu may be ousted but his hard-line foreign policies remain
  44. Southern Baptist Convention's focus on mission recalls history of promoting white dominance
  45. Why the Second Amendment protects a 'well-regulated militia' but not a private citizen militia
  46. Property disputes in Israel come with a complicated back story – and tend to end with Palestinian dispossession
  47. Electric heat pumps use much less energy than furnaces, and can cool houses too – here's how they work
  48. 8 ways to manage body image anxiety after lockdown
  49. Summer reading: 5 books for young people that deal with race
  50. NASA is returning to Venus to learn how it became a hot poisonous wasteland – and whether the planet was ever habitable in the past