/r/space: news, articles and discussion

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July decision expected on combination of three major European space companies (spacenews.com)

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The original was posted on /r/space by /u/mawhrinskeleton on 2025-06-17 21:26:22+00:00.

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What are the chances of not hitting a single space object while traveling on a straight line through space? (old.reddit.com)

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The original was posted on /r/space by /u/AlphaFoxCharlie on 2025-06-17 18:53:31+00:00.

Hi guys!

I just came across a piece of information that blow my mind. Actually when you think about it is not that farfetched, but I never gave it a thought, I guess.

Apparently 99,9999999999999999999958% of space is made of, guess what? Space! An empty and dark and scary nothingness.

I have been always fascinated with the universe but was never so great at math so help me out here.

Hypothetically. Imagine we board a spaceship that goes on a straight line and on a totally random direction through space towards the edge of the visible universe. With this amount of emptiness everywhere is it safe to assume that we would reach our destination unarmed? I am guessing the chances of hitting a space object would be quite low, right? Or am I missing something?

When I was a kid watching the star wars movies, I always thought it was crucial for the spaceship to calculate the route before they went to light speed mode. It just made sense. But today I am guessing it wouldn't be as important as I thought?

Thank you for your thoughts!

https://i.redd.it/rc7emd4xaj7f1.gif

EDIT:

I want to thank you all for your wonderful answers. I got more information than I could ask for. The internet can really be a special place.

128

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Roman Space Telescope will use a century-old idea from Einstein to probe the nature of mysterious dark matter (www.space.com)

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The original was posted on /r/space by /u/Czarben on 2025-06-17 17:56:50+00:00.

129

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Honda Conducts Successful Launch and Landing Test of Experimental Reusable Rocket (global.honda)

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The original was posted on /r/space by /u/Wolpfack on 2025-06-17 14:47:03+00:00.

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Construction of ESA’s ambitious LISA mission begins (space-based gravitational waves observatory) (www.esa.int)

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The original was posted on /r/space by /u/BubiBalboa on 2025-06-17 12:23:22+00:00.

131

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ULA scrubs attempt at 2nd launch of year helping Amazon catch up to SpaceX (phys.org)

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The original was posted on /r/space by /u/Czarben on 2025-06-17 12:20:18+00:00.

132

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Astronomers discover the largest 'ultramassive' black hole ever seen (www.earth.com)

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The original was posted on /r/space by /u/lebron8 on 2025-06-17 11:57:28+00:00.

133

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China conducts pad abort test for crew spacecraft, advancing moon landing plans (spacenews.com)

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The original was posted on /r/space by /u/Zhukov-74 on 2025-06-17 10:37:58+00:00.

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Behold! 1st images of artificial solar eclipse captured by ESA's Proba-3 mission (www.space.com)

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The original was posted on /r/space by /u/johnabbe on 2025-06-16 21:02:24+00:00.

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[Op-ed] The administration’s anti-consensus Mars plan will fail (spacenews.com)

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The original was posted on /r/space by /u/CaseyDreier on 2025-06-17 04:24:53+00:00.

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Exploring the cosmos fills us with wonder, Pope tells scientists - Vatican News (www.vaticannews.va)

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The original was posted on /r/space by /u/vfvaetf on 2025-06-17 02:13:12+00:00.

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Astronomers have found the universe's missing matter at last, thanks to exotic 'fast radio bursts' (www.space.com)

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The original was posted on /r/space by /u/adriano26 on 2025-06-16 14:58:22+00:00.

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Simulation reveals emergence of jet from binary neutron star merger followed by black hole formation (phys.org)

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The original was posted on /r/space by /u/Czarben on 2025-06-16 14:53:28+00:00.

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A new study suggests water first formed billions of years earlier than expected — as early as 100 million years after the big bang. According to these simulations, huge volumes of water, the prima... (www.supercluster.com)

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The original was posted on /r/space by /u/EricFromOuterSpace on 2025-06-16 14:15:26+00:00.

Original Title: A new study suggests water first formed billions of years earlier than expected — as early as 100 million years after the big bang. According to these simulations, huge volumes of water, the primary ingredient for life, formed close to cosmic dawn — the moment the first generation of stars was born.

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Semi-heavy water ice detected around young sunlike star for first time (phys.org)

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