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Astronomy

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Answer a question with score of 1 or more.
Awarded 2520 times.
A solar system of solar systems
Awarded Oct 1, 2023 at 3:05
How to describe the Sun's location to an alien from our Galaxy?
Awarded Oct 1, 2023 at 2:33
How to describe the Sun's location to an alien from our Galaxy?
Awarded Sep 30, 2023 at 6:36
Possibility for black holes having negative energy
Awarded Sep 29, 2023 at 6:49
How do stars 1 billion times the volume of our sun form and can they become black holes?
Awarded Sep 29, 2023 at 3:26
During a total solar eclipse is it possible to see solar flares with the naked eye?
Awarded Sep 27, 2023 at 16:21
How long would it take a rigid rod from Earth to the Sun to move if pushed?
Awarded Sep 26, 2023 at 14:42
How to translate from local laplace plane to ecliptic J2000 (or ICRF)
Awarded Sep 26, 2023 at 12:42
How is the Cosmic Microwave Background so big?
Awarded Sep 24, 2023 at 19:36
Orion stars distance from Earth
Awarded Sep 23, 2023 at 1:40
Why is Uranus called a "green planet"?
Awarded Sep 17, 2023 at 23:19
How do we estimate the dimensions and mass distribution of a galaxy's dark matter halo, beyond the effective limits of its visible matter?
Awarded Sep 17, 2023 at 22:56
Why is the Moon's volume so small compared to the Earth's?
Awarded Sep 15, 2023 at 22:10
Orbit of the moon so that there are no eclipses
Awarded Sep 14, 2023 at 21:41
Is luminosity distance related to both heliocentric redshift and CMB restframe redshift？
Awarded Sep 10, 2023 at 13:48
How did scientists decide the boundary of the Milky Way at Edwin Hubble times?
Awarded Sep 9, 2023 at 0:33
Calculating Position of Sun in GPS Frame Relative to 0°00'00.0"N 0°00'00.0"E: Determining Vernal Equinox Offset
Awarded Sep 8, 2023 at 18:08
How is Earth's Rotation Angle (ERA) defined and measured
Awarded Sep 8, 2023 at 8:57
Did the Sun's light always peak in the green wavelengths?
Awarded Sep 7, 2023 at 16:04
creating asteroid light curves and analysing them
Awarded Sep 7, 2023 at 1:32
How to calculate planetary aspects at a stationary point?
Awarded Aug 31, 2023 at 21:25
Is there a name for the star/supernova hypothesized to have been a precursor to the Solar System?
Awarded Aug 28, 2023 at 12:36
Understanding PSF models and PFSEx output
Awarded Aug 27, 2023 at 14:06
Why doesn't the Moon, like the Sun, turn bright red when it's close to the horizon?
Awarded Aug 24, 2023 at 11:41
How to calculate Topocentric Crescent Width and Moon Radius/Semi-Diameter?
Awarded Aug 22, 2023 at 17:10
Books to use for NSEA (first stage of IOAA in India)
Awarded Aug 21, 2023 at 22:40
given angular diameter distance turnaround, is it then that the background microwave radiation is now background because it was 'close' initially?
Awarded Aug 21, 2023 at 13:09
Core radius of King's model
Awarded Aug 18, 2023 at 22:11
Greetings to Altair: what is the probability of detecting a return message, assuming one was sent?
Awarded Aug 15, 2023 at 22:48
Black dot visible when looking into the telescope
Awarded Aug 13, 2023 at 7:26
How plausible is it for legends about the Pleiades to be this ancient?
Awarded Aug 10, 2023 at 1:07
Is it possible to detect gravitational lensing of both light and gravitational waves originating from the same event?
Awarded Aug 5, 2023 at 16:20
How to calculate the altitude of the Moon?
Awarded Aug 3, 2023 at 3:58
What determines how accurate a particular method is at finding the period between Lomb-Scargle and String Length Minimization?
Awarded Aug 1, 2023 at 12:36
Milky Way position on the sky
Awarded Jul 29, 2023 at 11:09
(post deleted or otherwise unavailable)
Awarded Jul 24, 2023 at 13:05
How much do the constellations change if the viewpoint moves within a solar system?
Awarded Jul 19, 2023 at 10:33
How does doppler shift work for distant stars
Awarded Jul 14, 2023 at 14:56
What telescope is Polish astronomer Kazimierz Kordylewski holding in this April 1964 photo at the Jagiellonian University Observatory in Krakow?
Awarded Jul 13, 2023 at 11:48
Why speed of light is considered to be the fastest?
Awarded Jul 13, 2023 at 11:01
Why do white dwarfs cool down so slowly?
Awarded Jul 6, 2023 at 19:26
Why is the dark matter component of MOND important in central regions?
Awarded Jul 6, 2023 at 0:16
Could a super massive black hole actually be primordial black hole in disguise?
Awarded Jul 3, 2023 at 19:52
How one can establish that the Earth is round?
Awarded Jul 1, 2023 at 0:08
How one can establish that the Earth is round?
Awarded Jun 29, 2023 at 20:36
How one can establish that the Earth is round?
Awarded Jun 29, 2023 at 17:57
Reverse polynomial model for reverse astrometry
Awarded Jun 28, 2023 at 10:06
What is the mechanism through which mass is converted to thermal energy in the accretion disc of a black hole?
Awarded Jun 19, 2023 at 21:30
What does the moon's phases look like from the Equator?
Awarded Jun 19, 2023 at 13:48
How large part of the sky has Hubble observed?
Awarded Jun 18, 2023 at 11:05
How to configure Celestia to work with a spherical mirror projection on a dome
Awarded Jun 16, 2023 at 6:15
(post deleted or otherwise unavailable)
Awarded Jun 11, 2023 at 10:45
2001 VB - when will it be reacquired?
Awarded Jun 6, 2023 at 10:55
What precisely leads to planets like COCONUTS-2b to orbit so far away from their host stars, 6000 AU in its case?
Awarded May 30, 2023 at 6:16
Hubble expansion rate and reaction rates
Awarded May 10, 2023 at 15:31
Getting (variable) apparent magnitude of Algol
Awarded May 8, 2023 at 8:16
Why did they decide to hit Dimorphos in the retrograde direction rather than prograde; was it a "coin-toss" or were there implications for observing?
Awarded May 7, 2023 at 2:58
What is the planet relative to earth that shows the greatest change in apparent brightness?
Awarded May 5, 2023 at 18:40
JPL Horizons sending too many emails
Awarded May 5, 2023 at 17:26
Is it possible to have satellites (natural or not) orbit the same celestial object in different directions ? (clockwise, counterclockwise)
Awarded May 5, 2023 at 2:01
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