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11 posts edited

14 helpful flags

292 votes cast

17 Questions

Votes Activity Newest Views

votes

answers

596

views

Conventional matter to dark matter ratio, outside of galaxies

Aug 25 at 12:27 Arnab Chowdhury 367

votes

answers

449

views

Is Barnard 68 the only cloud so close to us that there are no stars between us and it?

nebula

Apr 13 '19 at 6:17 Muze 1

votes

answers

210

views

How much greater is the star density in our galactic bar?

galaxy galactic-center

Dec 21 '18 at 10:26 pela 26.9k

vote

answers

views

Detecting the Chicxulub impactor, right now [duplicate]

solar-system telescope asteroids sky-survey

Feb 4 '18 at 15:06 Fattie 1,197

votes

answers

views

Could we parallax measure stars just based on the Earth's size?

telescope parallax

Jan 7 '17 at 19:49 pela 26.9k

votes

answer

627

views

Star density in- versus out- of the arms of the galactic pattern?

galaxy galactic-dynamics

Dec 3 '16 at 18:17 Community♦ 1

votes

answer

933

views

Do we know if we are overtaking or falling behind our arm?

galaxy milky-way spiral-arms

Nov 28 '16 at 13:13 HDE 226868♦ 29.7k

votes

answer

120

views

Which constellations are straight up and straight down?

coordinate constellations

Nov 5 '16 at 1:33 Fattie 1,197

votes

answers

views

Why don't we see “the milky way” in both directions?

milky-way night-sky

Nov 3 '16 at 1:50 Community♦ 1

votes

answer

views

In km/h, what actually is the “speed” of Andromeda away from us: cosmologically?

expansion redshift

Oct 7 '16 at 3:03 Mike G 15.2k

votes

answer

112

views

In which two constellations, were the two gravitational wave events of 2016?

gravitational-waves

Oct 3 '16 at 22:10 SE - stop firing the good guys 3,828

votes

answers

409

views

Sun's formation as “part of a star-forming-cluster…”?

star-formation

Sep 29 '16 at 19:47 Community♦ 1

votes

answer

192

views

Do planets form around lone stars, multiple stars, or both? Do we know this yet?

exoplanet binary-star

Sep 25 '16 at 1:58 JMC 21

votes

answer

309

views

Is there, in fact, any close-up photography of Saturn's rings, showing individual pebbles/rocks?

saturn planetary-ring space-probe

Sep 23 '16 at 18:20 Community♦ 1

votes

answers

684

views

Boötes Void numbers, 2016

galaxy cosmology

Jun 29 '16 at 4:38 Community♦ 1

votes

answer

views

Milky Way mass fraction breakdown review

galaxy milky-way mass

Jun 25 '16 at 12:56 Fattie 1,197

votes

answer

450

views

Is our central black hole actually at the CG of the galaxy?

supermassive-black-hole galactic-dynamics

Jun 15 '16 at 11:56 Community♦ 1

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17 Questions

Conventional matter to dark matter ratio, outside of galaxies

Is Barnard 68 the only cloud so close to us that there are no stars between us and it?

How much greater is the star density in our galactic bar?

Detecting the Chicxulub impactor, right now [duplicate]

Could we parallax measure stars just based on the Earth's size?

Star density in- versus out- of the arms of the galactic pattern?

Do we know if we are overtaking or falling behind our arm?

Which constellations are straight up and straight down?

Why don't we see “the milky way” in both directions?

In km/h, what actually is the “speed” of Andromeda away from us: cosmologically?

In which two constellations, were the two gravitational wave events of 2016?

Sun's formation as “part of a star-forming-cluster…”?

Do planets form around lone stars, multiple stars, or both? Do we know this yet?

Is there, in fact, any close-up photography of Saturn's rings, showing individual pebbles/rocks?

Boötes Void numbers, 2016

Milky Way mass fraction breakdown review

Is our central black hole actually at the CG of the galaxy?