I have been looking at the unanswered questions on this site for some time (for some days tbh) and in my opinion, most of them are very intriguing and interesting and they deserved to get answered. There are interesting comments beneath the questions but there is no answers or even a partial answer. Some users might comment after some months or years to give some new updates like new findings or some new information but nobody are aware of that because OPs are inactive and they do not edit the question and so they doesn't get bumped on the main page. Eventually, the question gets cold and gets accumulated in the unanswered tab.

I do not have sufficient knowledge and lack expertise in this field but I would like some of these interesting question to get answered. I do not have enough reputation to give bounties on these question. Also, these question are already well-formatted so there is no room for editing (and thus do not get bumped on the main page).

Some honorable mentions:

  • "SE - stop firing the good guys" is doing a commendable job in answering some old questions in the space exploration site (you can check his activity).

  • "uhoh" is a master in commenting and linking questions and stuffs (he has a habit of linking unanswered question and giving some attention). He too asks good questions.

  • "usernumber" also ask some good question, some of his question are left unanswered.

So, I would like some highly knowledgeable users here to make an effort in answering and giving some light to these questions. Note that I am not forcing anyone. Anyone who has or give a certain interest in some question might give a try, or do some edit or give some bounty and thus attract attention.

I do realize that all questions can't be answered so, I don't expect all of them to get answered but I am sure some of them will get very good answers.

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    $\begingroup$ I think you're right. We're going through a big growth spurt right now, and maybe with the new activity we can get some folks to take a fresh look at older questions. Perhaps select a few of your favorites and link them in an answer below. You could make it a community wiki so others can contribute. Everyone can use that as a starting point for taking a look at old stuff. $\endgroup$ – called2voyage Oct 8 '20 at 18:26
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    $\begingroup$ Just in case other users haven't noticed, Stack Exchange has "unanswered" questions filter if they want to easily browse questions that are considered unanswered by Stack Exchange (no upvoted/accepted answers, contrast to "no answer"). $\endgroup$ – Andrew T. Oct 13 '20 at 5:21

Update V [14-02-2021] (See previous updates)

As per called2voyage's advice, I am linking some questions here. Let's start with five questions. I will be updating this list on a weekly basis (or as per requirement). I am also making this answer community wiki so that others can contribute. Happy answering.

  1. What if there was an asteroid belt with the mass of a planet?
  2. How active was the Milky Way in its first 5 billion years?
  3. In terms of power delivered to Earth, what is the brightest object in the sky?
  4. Could non-supernova carbon, oxygen, or silicon flashes be observed?
  5. Could an ultra-hot Jupiter flare?

Questions answered till now:

  1. Why was helium hydride (HeH+) the universe's first molecule? (answered by @Rob Jeffries)
  2. What are Kepler's laws (as he wrote them)? (answered by @Connor Garcia)
  3. How does the gravitation of Jupiter or other big planets affect Kepler's third law? (answered by @Connor Garcia)
  4. What is the farthest reported distance from observer from which a solar system body has occulted a star? (answered by me)
  5. Is 486958 Arrokoth (2014 MU69 aka Ultima Thule) the only solar-system object determined to be binary by occultation? (answered by @ConnorGarcia)
  6. Do Enceladus' geysers fall back to its surface or do they achieve escape velocity? (answered by @Connor Garcia)
  7. How fast was the Earth spinning directly after the Moon formed? (answered by @Connor Garcia)
  8. What is happening with these solar particles detected near the Sun that is so newsworthy? (answered by @B--rian)
  9. How active was the Milky Way in its first 5 billion years? (answered by @B--rian)
  • $\begingroup$ Isn't this list already captured by the Revival badge astronomy.stackexchange.com/help/badges/64/revival ? Or are you just featuring questions from your weekly list of five here? $\endgroup$ – Connor Garcia Dec 2 '20 at 20:34
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    $\begingroup$ @ConnorGarcia No, these questions were from my list of five. The two questions you answered were previously mentioned and were replaced with new one. $\endgroup$ – Nilay Ghosh Dec 3 '20 at 2:36
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    $\begingroup$ Great, I really appreciate this meta post! I read it when I first joined and it inspires me to try to answer old questions! $\endgroup$ – Connor Garcia Dec 3 '20 at 2:40

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