Marijn
  • Member for 6 years
  • Last seen more than a week ago
4 answers
2 votes
6k views
What is the volume of the universe?
2 answers
4 votes
1k views
1 bookmarks
Why is it strange that outer stars in a galaxy are travelling with the same speed as inner while the total mass is also increasing?
1 answers
0 votes
135 views
Is their any clue where gravitons come from?
3 answers
8 votes
749 views
Is there a limit to the size of a black hole?
3 answers
1 votes
158 views
Can you see the difference with the naked eye whether Venus is at the other side of the Sun or at the Earths' side?
2 answers
8 votes
1k views
2 bookmarks
How does the solar wind destroy the atmosphere of a planet lacking a magnetic field?
0 answers
1 votes
49 views
Is the angle of the Earth's orbit on the Galactic plane changing (towards 180 degrees)?
1 answers
3 votes
4k views
3 bookmarks
Why is there a difference between the cosmic event horizon and the age of the universe?
3 answers
14 votes
7k views
2 bookmarks
Is it possible that the shadow of The Moon is a single dot during solar eclipse?
5 answers
9 votes
6k views
1 bookmarks
What is spacetime 'made' of?
2 answers
2 votes
385 views
Is it coincidence that Einstein predicted exactly twice the outcome of Newton for the gravitational deflection of light?
2 answers
4 votes
1k views
Are sulfur and phosphorus also created in the nucleosynthesis of big stars?
2 answers
2 votes
131 views
Are there any measurements of other galaxies indicating the existence of exoplanets?
1 answers
1 votes
126 views
How is the redshift of starlight precisely measured?
1 answers
2 votes
426 views
How much does the orbit of Mars deviate when it is in linear conjunction with Jupiter and Saturn?
1 answers
3 votes
89 views
What causes the raise of temperature in the outer layer of a red giant when the core gets contracted?
2 answers
13 votes
2k views
1 bookmarks
How are binary star systems created?
1 answers
1 votes
165 views
1 bookmarks
Is the effect when two planets passing each other different, when they pass in the same or opposite direction?
2 answers
3 votes
138 views
Are the stars in all galaxies orbitting around a middle?
1 answers
4 votes
408 views
Is there a prediction when our solar system would fall apart?
2 answers
1 votes
1k views
What is the difference between precession and axial tilt?
1 answers
6 votes
175 views
What is the minimum meteor size to see a falling star?
1 answers
1 votes
151 views
Would the (orbitting) speed of the Earth change if suddenly the sun disappear and the Earth is thrown into space?
3 answers
3 votes
1k views
Why wasn't there any oxygen in the beginning of the Earth?
1 answers
2 votes
1k views
Does all the exoplanets orbit the same direction?
2 answers
2 votes
114 views
What is the reason the Chinese want to measure the <30Mhz radiation behind the moon?
2 answers
5 votes
322 views
1 bookmarks
Do constellations change?
1 answers
6 votes
176 views
2 bookmarks
Do other planets with a magnetic field also have two Van Allen belts?
4 answers
1 votes
1k views
1 bookmarks
What are the exact causes that differences in sunrises are shorter around june and december but long in march and september?
2 answers
3 votes
771 views
Is the composition of stars in future made of more and more heavy elements?