Tag Archives: physics

Introductory Information on Astronomical Techniques

Question: Hey there! I love astronomy too!! Currently I am pursuing an undergraduate degree in physics as there is no such courses in astronomy in India. I want to learn astronomy and later on pursue astronomy as a career. Can … Continue reading

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Relationship Between Planetary Orbits and Sun Rotation

Question: I was wondering about the relation between the Sun’s own rotation relative to the planets orbit around the sun. Does it also rotate counterclockwise?  Do you have any information about that?  – Rasmus Answer: Yes, the Sun rotates in … Continue reading

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Does the Sun’s Rotation Speed Dictate the Orbital Speed of the Planets?

Question: Are the planets orbiting the sun at the same speed as the sun revolves on its axis? Or are some planets moving slower or faster than the sun spins, of course the position in the solar system dictates how … Continue reading

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How Can Gas Particles Stick Together to Ultimately Form Stars and Planets?

Question: There is a lot of acceptance that when the gases of the universe began to join and spin because of the impact of those collisions. That would mean that all particles hit in the same direction, like using your … Continue reading

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Can Time Dilation Near a Black Hole Explain the Orbits of Stars Near the Black Hole?

Question: Regarding galaxy rotation.  Although the supermassive black hole at the center of a Galaxy probably isn’t strong enough to speed up the rotation of its more distant stars so as to make the velocity curve level, nevertheless the time-dilation … Continue reading

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What Lies Beyond the Known Universe?

Question: Do dimensions really exists? [Also,] are the black holes really or possibly portals leading to different dimensions (like a whole new universe or a totally different universe)?  [Also,] right now I read in the blog about like the diameter … Continue reading

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Does the Sun’s Rotational Axis Precess?

Question: The earth has the north celestial pole position today near Polaris and has a 25000 year cycle circle.  What is the same for the SUN’s north celestial pole and wobble?  – David Answer: The precession of the Earth’s rotational … Continue reading

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What Can Radio Telescopes Measure?

Question: I have some questions about radio astronomy. If we build a planetary radio telescope, What data can we measure from the received signals other than listening to the noise of S-burst and  L-burst in a project like Radio JOVE?  … Continue reading

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What Causes the Earth’s Magnetic Field?

Question: Earth acts like a magnetic field that we all know. But firstly, the question which comes in our mind is what is the source of this magnetic field. After reading various articles and from sites about this, I got … Continue reading

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Do Radio Sources “Twinkle”?

Question: Usually observations with radio telescopes are not affected by rain, clouds etc. but recently i heard scintillation effects can affect observations with radio telescopes. I want to know why it is affected by that. – Anjali Answer: Radio observations … Continue reading

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