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Astronomy
Dan Hanson's user avatar
Dan Hanson's user avatar
Dan Hanson's user avatar
Dan Hanson
  • Member for 4 years, 11 months
  • Last seen more than a month ago
  • Edmonton, AB, Canada
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49
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42
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Top posts
42
How do we distinguish old craters from new ones on the Moon?
Oct 23, 2019
10
Split telescope into two eyes
Oct 8, 2019
10
What percentage of visible stars will JWST be able to survey over the next 10 years?
Jul 21, 2022
9
what is the resolution of the magnitude that is distinguishable to the naked eye?
Nov 30, 2019
7
How impermeable are the surfaces of the moon?
Oct 3, 2019
7
how big would an asteroid have to be to leave a crater on Earth
Jul 7, 2023
4
Would a nearby "Orphan planet" be detectable?
Sep 2, 2022
3
How Well Can I See the Surface of Jupiter Using Natgeo 76/700 EQ Telescope?
Nov 10, 2022
3
Has the birth of a new star ever been observed (scientifically speaking)?
Jul 8, 2022
2
Deep Sky Objects
May 17, 2020
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47
Why keep expending SpaceX boosters?
29
What are SpaceX's Starship's header tanks?
14
How does SpaceX plan to deal with possible methane buildup around Starship?
13
How long can the SpaceX Starlink satellites survive before they deorbit?
11
How do EVA suits manage water excretion?