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James K's user avatar
James K's user avatar
James K's user avatar
James K
  • Member for 9 years, 8 months
  • Last seen this week
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Determining Vernal Equinox by observation

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Determining the speed of meteor

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How can planets ionize in the distant future in 10^100 years if proton decay doesn't happen?

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Parade of planets - planetary alignment of 6 planets on 03.06.2024 - observation possibility from Prague

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How can $\Omega_m<1$ indicate an infinitely expanding universe?

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Accepted

Seeing Azha (Eta Eridani) in Northern Hemisphere

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Abbreviations for days of the week

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Does the relative motion between planets other than Venus and Earth form shapes such as the Flower of Venus?

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Is star a necessary phase in black hole lifecycle?

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planets are point like

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Would it be possible to equip an asteroid to collect space junk in Earth's orbit?

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Temporal path through Hertzsprung-Russell diagram?

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Do massive OB stars accrete mass the same way as the black holes they turn into do?

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Reasoning questions on eclipses

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Two body transient solution

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Inclination in Kepler's laws

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Calculating Postition of ISS / Hubble in space

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Calculate Local Sidereal Time

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infinite Universe

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Cubic spline interpolation in light curve of pulsating stars

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Can't find Cassiopias Schedar or Caph in Tycho-2 catalog supplement 1

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Are Wikipedia's sun ecliptic-coordinate formulae accurate?

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Simulates Orbit

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My supernovae question

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What is it that distinguishes one atmospheric layer from another?

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Distance of a planet to the star?

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What are the masses of the two stars (given the information provided)?

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Question on Equatorial and Galactic coordinate systems

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Why do most of the myths behind constellations originate from Greek?

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Could some bacteria theoretically evolve to survive in space?