Marijn 's user avatar
Marijn 's user avatar
Marijn 's user avatar
Marijn
  • Member for 8 years, 1 month
  • Last seen more than a month ago
17 votes
1 answer
1k views

What would the Sun be like if nuclear reactions could not proceed via quantum tunneling?

14 votes
2 answers
2k views

How are binary star systems created?

14 votes
3 answers
7k views

Is it possible that the shadow of The Moon is a single dot during solar eclipse?

10 votes
2 answers
2k views

Is the earth bombarded equally in all directions by neutrinos?

9 votes
5 answers
6k views

What is spacetime 'made' of?

9 votes
2 answers
2k views

How does the solar wind destroy the atmosphere of a planet lacking a magnetic field?

8 votes
3 answers
1k views

Is there a limit to the size of a black hole?

6 votes
1 answer
199 views

What is the minimum meteor size to see a falling star?

6 votes
1 answer
231 views

Do other planets with a magnetic field also have two Van Allen belts?

5 votes
2 answers
594 views

Do constellations change?

4 votes
2 answers
2k views

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?

4 votes
1 answer
479 views

Is there a prediction when our solar system would fall apart?

4 votes
2 answers
2k views

Are sulfur and phosphorus also created in the nucleosynthesis of big stars?

3 votes
2 answers
167 views

Are the stars in all galaxies orbitting around a middle?

3 votes
1 answer
6k views

Why is there a difference between the cosmic event horizon and the age of the universe?

3 votes
3 answers
1k views

Why wasn't there any oxygen in the beginning of the Earth? [closed]

3 votes
1 answer
327 views

Is dark matter influenced by gravity of baryonic matter?

3 votes
4 answers
8k views

What is the volume of the universe?

3 votes
2 answers
2k views

What is the difference between precession and axial tilt?

3 votes
2 answers
1k views

Is the composition of stars in future made of more and more heavy elements?

3 votes
2 answers
725 views

Is it coincidence that Einstein predicted exactly twice the outcome of Newton for the gravitational deflection of light? [duplicate]

3 votes
1 answer
102 views

What causes the raise of temperature in the outer layer of a red giant when the core gets contracted?

2 votes
1 answer
589 views

How much does the orbit of Mars deviate when it is in linear conjunction with Jupiter and Saturn? [closed]

2 votes
2 answers
128 views

What is the reason the Chinese want to measure the <30Mhz radiation behind the moon?

2 votes
1 answer
287 views

How do astronomers distinguish the spectral lines?

2 votes
1 answer
2k views

Does all the exoplanets orbit the same direction?

2 votes
2 answers
142 views

Are there any measurements of other galaxies indicating the existence of exoplanets?

2 votes
2 answers
1k views

When was visible light for the first time created?

2 votes
1 answer
278 views

In what manner is the spectrum of a black body really a continuum?

2 votes
0 answers
58 views

Does the quantity of dark matter needed in the Milky Way to give the stars their speed compare with the speed of the Milky Way?