Santanu Das

Researcher

Astro-QA #5 : Why is Pluto not a planet? How many planets are there in our solar system?

When many of us grew up, there were nine planets in the Solar System. It was like a fixed point in our brains. But In 2006 some NEWS article came and we learned that Pluto is not a planet. So how many planets are there in our solar system?

  • 1 Months ago
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Santanu Das

Researcher

Astro-QA #4: Can all the planets ever align?

We know that all the 8 planets are moving around Sun. Will there ever be a moment when all eight major planets are in a straight line on the same side of the Sun?

  • 1 Months ago
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Santanu Das

Researcher

Astro-QA #3 : How many moons in our solar system can cause total solar eclipse?

It is amazing when you think about the coincidence of the Sun being 400 times bigger than our Moon, yet 400 times farther away, producing an almost perfect fit for a total solar eclipse. Is there another planet whose moon(s) would fit perfectly over the Sun, or are we just the lucky ones?

  • 1 Months ago
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Santanu Das

Researcher

Astro-QA #2 : What are the spokes in the Saturn's ring?

In 1979 the Voyager spacecraft revealed “spokes” in Saturn’s rings. Later images from Cassini have also capture the spokes. So are they real?

  • 1 Months ago
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Santanu Das

Researcher

Astro-QA #1 : Can we see Saturn's rings from its equator or from its poles?

If I lived on Saturn, would its rings be visible from the equator or the poles?

  • 1 Months ago
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