Astronomy Beta

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First question with score of 1 or more.
Awarded 3867 times.
Delay of Moon passing a defined meridian each day
Awarded 7 hours ago
Semi-major axis in a binary star system
Awarded 9 hours ago
Using a differential force in the derivation of hydrostatic equilibrium in a star
Awarded yesterday
Scale factor 0 for expanding universe
Awarded yesterday
Do planets orbit the sun in ellipses because of sun movement vector?
Awarded yesterday
If interstellar medium was dense plasma and light slowed down, would things appear to move slower far away?
Awarded 2 days ago
How to pick a telescope?
Awarded 2 days ago
Could a gas giant orbit a star with a 30 year period at a distance of just 1 AU?
Awarded 2 days ago
Are the Leonid meteor storms a thing of the past?
Awarded Dec 13 at 5:50
How do I find the signs that planets are in during any given date?
Awarded Dec 12 at 16:15
How do I calculate the Hill radius of a star in a binary system?
Awarded Dec 10 at 18:00
How are galactic rotation curves determined from radial velocity measurements?
Awarded Dec 9 at 22:50
QQ Boo binary star
Awarded Dec 9 at 2:40
What are the benefits of a large refracting telescope?
Awarded Dec 8 at 21:20
How much photon is still in flight?
Awarded Dec 8 at 7:30
Can mean motion resonances make orbits more unstable rather than more stable?
Awarded Dec 7 at 18:00
Doppler Shift Vs Gravity Assist for Frequency Shifts from Rotating Galaxies
Awarded Dec 7 at 8:20
Population density of stars within $13$ light-years of us
Awarded Dec 7 at 6:50
What is the horizontal distance needed to observe an object just as badly as if it where in space at the zenith?
Awarded Dec 6 at 19:40
How much starlight do black holes absorb?
Awarded Dec 6 at 16:25
How to calculate Equivalent Width of a spectrum with continuum at 0
Awarded Dec 5 at 13:10
Aligning of 7 unidentified objects in the sky, what are they? What did I see? [duplicate]
Awarded Dec 4 at 23:20
How can I use my current camera whose zoom lens can't be removed behind an f/6 refractor for as an astrophotography?
Awarded Dec 4 at 23:05
How does one find the electric conductivy of a planet's atmosphere?
Awarded Dec 4 at 18:05
What percentage of a spiral galaxy is the center/bulge?
Awarded Dec 3 at 21:55
Can we violate law of physics in any other planet? [closed]
Awarded Dec 3 at 19:05
Galactic Coordinate System and distance
Awarded Dec 2 at 13:05
Why does the 70-solar-mass black hole in the LB-1 system challenge current astrophysics?
Awarded Dec 2 at 7:55
Finding the Uncertainty in a Spectral Line
Awarded Dec 2 at 3:30
Redshift and Velocity relation
Awarded Dec 1 at 23:10
What are other names for planetoids that aren't orbiting a solar system, but hurtling through space?
Awarded Dec 1 at 10:45
Why do the magnetic field lines of the earth go from south pole to north pole?
Awarded Nov 28 at 23:30
About more than 15 stars moving in straight line through the sky [duplicate]
Awarded Nov 28 at 2:25
(post deleted or otherwise unavailable)
Awarded Nov 27 at 17:05
At what rate is the observable universe expanding?
Awarded Nov 26 at 22:10
How to calculate B-V colour index value percentage difference
Awarded Nov 26 at 12:50
Any book on `How do they know it (in Astronomy)`?
Awarded Nov 26 at 9:20
Orbits of planets in ecliptic coordinates
Awarded Nov 25 at 23:45
Can we measure stellar accelerations?
Awarded Nov 24 at 23:45
If we accelerate a neutron star to move at speeds comparable to light would it become a blackhole because of the added energy?
Awarded Nov 24 at 22:55
Dark matter hypothesis and visible light
Awarded Nov 24 at 12:00
24th Nov 2019.0515 hrs.GMT +1.saw a line of stars moving in a staright line.straight.what could it be? [duplicate]
Awarded Nov 24 at 11:55
Is the Moon not in hydrostatic equilibrium?
Awarded Nov 23 at 16:55
Align multiple fits images without WCS for future aperture photometry analysis
Awarded Nov 23 at 3:00
What is the “radiation sound speed” inside an accretion column?
Awarded Nov 22 at 20:00
Calculating object velocity at perihelion
Awarded Nov 22 at 10:10
The colour of blue dwarf stars
Awarded Nov 21 at 21:55
Lifespan of B-type subdwarfs
Awarded Nov 21 at 13:40
Is it possible to build a ground-based telescope that can directly image Earth-like planets orbiting in the habitable zone of sunlike stars?
Awarded Nov 21 at 5:05
Freefall timescale for a Jeans-unstable hydrogen cloud of mass M
Awarded Nov 20 at 17:35
How long for the sun to traverse its diameter at the pole?
Awarded Nov 20 at 11:35
Determining Horizontal Coordinate System data (azimuth, altitude) for geographic locations
Awarded Nov 20 at 6:50
How was lunar eclipse proven using the scientific method? [closed]
Awarded Nov 19 at 12:30
Creating a 2D matrix from 2 FITS images of unequal dimensions for Radio/FIR correlation
Awarded Nov 19 at 8:00
Ross 128 (What does the number mean?)
Awarded Nov 18 at 17:45
Are there only a set number of atoms in the whole universe?
Awarded Nov 18 at 17:45
Is Earth's Surface “In orbit”?
Awarded Nov 18 at 8:10
How to determine the orbital period of an asteroid using Kepler laws given its orbit's radius?
Awarded Nov 16 at 16:15
Earth's magnetic field vs. refrigerator magnet
Awarded Nov 16 at 16:00
If a star were travelling at 99% of the speed of light, directly at Earth would we see it?
Awarded Nov 16 at 14:20
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