Astronomy
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astrosnapper
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119 Answers

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69 votes

Why does it take so long to transmit an image from New Horizons to Earth?

32 votes
Accepted

Where did the Sun get hydrogen to work with if it is in the 3rd generation of stars?

21 votes

What is that donut-shaped object I see in my telescope?

18 votes
Accepted

Will LSST make a significant increase in the rate of astronomical event alerts?

17 votes
Accepted

Beta Andromedae (Mirach) and distances mentioned in original Cosmos series from 1980

16 votes

What (the heck) is a Super Worm Equinox Moon?

14 votes
Accepted

Which telescope's model is being shown to Albert Einstein in this file footage? What event might this be?

13 votes
Accepted

Do some comets spin? If so, how fast?

10 votes
Accepted

Is there any site with telescopes data?

10 votes

Is there a way to tell the difference between earth andesite from Mars

10 votes
Accepted

Where can I find a database of galactic spectra?

10 votes
Accepted

Are there any simulations of the Grand tack?

9 votes
Accepted

Where is the North of the Universe

9 votes
Accepted

Did interstellar asteroid Oumuamua pass near other stars?

9 votes

How much longer is this (July 27th 2018) lunar eclipse than others?

9 votes

Up to 384 minor planets (including Pluto) qualify as planets?

8 votes
Accepted

Is there a distinction between NEOs and near-Earth asteroids? Is there a difference?

8 votes
Accepted

Do telescopes exist that reflect the incoming light more than three times along their length?

8 votes
Accepted

What is "Charged time" in JWST ERS proposals?

8 votes
Accepted

Is pointing a telescope at a random place a viable astronomical strategy?

8 votes

Could stellar occultations be used to survey Kuiper belt objects?

7 votes
Accepted

Why aren't GPS clocks sufficient to synchronize VLBI observations?

7 votes
Accepted

What programs do astronomers use to ensure their observatory control computer has accurate time?

7 votes

jwst data analysis pipeline -- how to become proficient

6 votes
Accepted

Is the LSST (Vera C. Rubin) telescope going to change position every 20 or 35 seconds?

6 votes
Accepted

Is there an IRAM satellite that measures thermal radiation at 250 GHz, or was this a ground-based instrument?

6 votes
Accepted

Different results for the same JPL Horizons query

6 votes
Accepted

What is a pupil slicer, and how does it work with anamorphic optics in VLT's ESPRESSO Echelle spectrograph?

6 votes

Does Earth changes angular velocity in 24 hours evaluation?

6 votes

Time of day of the K-Pg asteroid impact?

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