Astronomy

Notable Question

 Notable Question
Question with 2,500 views. This badge can be awarded multiple times.
Awarded 1469 times.
Is a white dwarf hotter than a Red Giant?
Awarded May 24, 2016 at 15:01
Why is the Sun's density less than the inner planets?
Awarded May 17, 2016 at 16:50
Star like light moving in the sky, what could it be? [closed]
Awarded May 5, 2016 at 2:24
Exercise: 2D orbital mechanics simulation (python)
Awarded May 1, 2016 at 7:01
By putting a mirror in space, would we be able to see into the past?
Awarded Apr 28, 2016 at 21:07
In 2016, the summer solstice will coincide with a full moon. How often does this happen?
Awarded Apr 28, 2016 at 5:23
What are the differences between matter, dark matter and antimatter?
Awarded Apr 23, 2016 at 17:23
Why doesn't Earth's axis change during the year?
Awarded Apr 12, 2016 at 0:07
How was the core temperature of the Sun estimated?
Awarded Apr 7, 2016 at 11:21
How to build a powerful home made telescope [closed]
Awarded Apr 5, 2016 at 1:25
Could someone explain RA/dec in simple terms?
Awarded Apr 4, 2016 at 22:22
Did I see another planet?
Awarded Mar 29, 2016 at 2:46
What is the exact time Earth takes to revolve around its axis? [closed]
Awarded Mar 25, 2016 at 9:25
How was the Earth-Sun distance originally calculated?
Awarded Mar 15, 2016 at 22:39
Why can't moon light (reflected sun light) turn the sky blue?
Awarded Mar 11, 2016 at 9:38
Why doesn't the moon twinkle?
Awarded Mar 10, 2016 at 10:49
How long does it take to produce a star? Why does it take that long?
Awarded Mar 8, 2016 at 16:47
Would time go by infinitely fast when crossing the event horizon of a black hole?
Awarded Mar 8, 2016 at 4:07
Is the light we see from stars extremely old?
Awarded Mar 3, 2016 at 12:59
How to calculate Longitude from Right Ascension?
Awarded Feb 28, 2016 at 14:10
Do all the objects in the universe exert force on all other objects?
Awarded Feb 27, 2016 at 23:43
What did LIGO Actually See? (Gravitational waves discovery)
Awarded Feb 17, 2016 at 19:25
Quantum Mechanics after the detection of Gravitational Waves
Awarded Feb 14, 2016 at 17:47
Why is our solar system "tipped" about 63° with respect to the plane of our galaxy?
Awarded Feb 10, 2016 at 0:41
Is the Earth going to evolve towards Mars' fate or Venus' fate?
Awarded Feb 3, 2016 at 15:54
What is the angular diameter of Earth as seen from the Moon?
Awarded Jan 28, 2016 at 1:29
Why hasn't the "9th Planet" been detected already?
Awarded Jan 25, 2016 at 3:39
How many planetary systems exist in our galaxy?
Awarded Jan 24, 2016 at 3:34
How far is the Earth/Sun above/below the galactic plane, and is it heading toward/away from it?
Awarded Jan 23, 2016 at 11:35
9th planet location?
Awarded Jan 21, 2016 at 17:31
If Venus and Mars changed places, would we then have 3 habitable planets?
Awarded Jan 20, 2016 at 22:33
Will Earth lose the Moon before the Sun goes into supernova?
Awarded Jan 14, 2016 at 15:46
How to measure the altitude and azimuth of a star?
Awarded Jan 11, 2016 at 2:34
What is the name of our Solar System?
Awarded Dec 24, 2015 at 8:03
Why is only one side of the Moon visible from Earth?
Awarded Dec 15, 2015 at 21:42
How loud would the Sun be?
Awarded Dec 15, 2015 at 17:51
What would the effects be on Earth if Jupiter was turned into a star?
Awarded Dec 14, 2015 at 11:55
Are we still going to have rainbows if Sun is replaced by another star?
Awarded Dec 10, 2015 at 2:14
What if Earth and Moon revolved around each other like Pluto and Charon?
Awarded Dec 8, 2015 at 13:56
moonless night and lunar phase
Awarded Dec 2, 2015 at 8:04
How can we focus radio telescopes on a star when the earth is spinning?
Awarded Nov 25, 2015 at 12:19
Life planets orbiting black-holes. Can/Do they really exist?
Awarded Nov 25, 2015 at 9:55
Finding the solar noon based on longitude and latitude?
Awarded Nov 13, 2015 at 20:05
Why did Venus not lose its atmosphere without a magnetic field?
Awarded Nov 10, 2015 at 9:53
Why does the Earth have a tilt of ~23°?
Awarded Nov 6, 2015 at 2:29
How much magnification is needed to see the planets of solar system?
Awarded Nov 3, 2015 at 18:15
Do all stars have an Oort cloud or is it a rare occurence?
Awarded Nov 3, 2015 at 9:35
How did Mars come to have a 24 hour 39 minute day?
Awarded Oct 26, 2015 at 17:59
Why don't we see the galaxy center?
Awarded Oct 21, 2015 at 23:52
Why did the moon abruptly change positions in the sky?
Awarded Oct 4, 2015 at 1:14
Why isn't Earth a perfect sphere? [closed]
Awarded Sep 27, 2015 at 23:19
Very bright star in the east at northern hemisphere. What is it?
Awarded Sep 23, 2015 at 12:33
Average amount of annual daylight at any place on earth
Awarded Sep 15, 2015 at 16:15
How many stars and galaxies can be seen by the naked eye?
Awarded Aug 24, 2015 at 15:15
How many planets are there in this solar system?
Awarded Aug 17, 2015 at 17:45
Is there any planet/star bigger than VY Canis Majoris?
Awarded Aug 17, 2015 at 12:48
How can I accurately find & apply the white donut to the center of my mirror?
Awarded Aug 6, 2015 at 1:26
Should I focus more on Aperture or Focal Length for a telescope?
Awarded Jul 4, 2015 at 8:17
Is Sun a part of a binary system?
Awarded Jul 1, 2015 at 12:52
Does the Moon have any oxygen in its atmosphere?
Awarded Jun 23, 2015 at 17:34
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