Science dealing with the study of space and celestial bodies. Can pertain to the composition, origin, motion, behavior or physical aspects of bodies in space as well as the practical applications of such information (ie: navigation).

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Can the events of the Ramayana and Mahabharata be astronomically dated to around 7300 BCE and 5561 BCE respectively?

The Ramayana is one of Hinduism's greatest epics. Nobody appears to know with certainty when the poem was composed or when the events in it occurred. However, while some scholars claim that the events ...
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2answers
812 views

Is comet ISON going to kill us?

I've just heard on the news that some comet named ISON is passing by the Sun. And they said that it will split and then it may hit us. They are citing Nostradamus prophecies and stuff. It appears that ...
8
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2answers
634 views

Did the Dogon tribes discover “Trans-Pluto”?

The performance artist Marina Abramović has said the following in a forum at the New York Public Library: In Africa you have Dogon tribes who worship Trans-Pluto, which is you know a small ...
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2answers
320 views

Can they calculate how close 2012 DA14 comes to Earth for the remainder of this century [closed]

... but couldn't tell until recently that Apophis won't hit Earth around 2030? What's the catch in these calculations? Are the numbers just so incredibly big that the 28,000 km distance in which 2012 ...
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4answers
480 views

Is there no link between the meteor that affected Russia and the asteroid 2012 DA14?

A large meteor or meteors entered the atmosphere near Russia's Chelyabinsk region hours before closest approach of asteroid 2012 DA14. Initial claims are that the two are unrelated; the above link ...
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1answer
377 views

Would we see a doomsday asteroid beforehand?

Forbes : We Probably Wouldn't Even See A Doomsday Asteroid Until It Was Too Late [...] So how much warning will we really have if an asteroid is about to hit Earth? The answer is pretty grim. ...
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1answer
2k views

VASIMR - Earth to Mars in 39 days? [closed]

The Variable Specific Impulse Magnetoplasma Rocket (VASIMR) is currently in development and is anticipated to be tested on the International Space Station in 2015. I'm a huge fan of expanding space ...
13
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1answer
679 views

Is the climber's head-lamp backstory for this long-exposure photo feasible?

I enjoyed reading the fascinating story of how a climber took an amazing long-exposure photo of his climb up, down and around a Peak District landmark. See: "Blazing a trail! Climber takes ...
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2answers
515 views

More stars visible from the Australian outback than anywhere else on earth?

An ad for Vodafone in Cairns airport, Australia, presents as a fact "worth ringing home about" that you can see more stars from the Australian outback than anywhere else on earth. While the ...
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1answer
467 views

What was the Earth rotation when it was formed? [closed]

In an answer to another question, it was claimed that: The magnitude of tidal friction depends on the arrangement of the continents. In the past, the continents were arranged such that tidal ...
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1answer
11k views

Length of uncoiled human DNA

I recently came across this fact: There's enough DNA in the human body to stretch from the sun to Pluto and back. A couple of "Bollocks!" alarms began to chime in my head. While I expect that it ...
8
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1answer
1k views

Is the pale blue dot Earth?

Is the pale blue dot Earth in the image taken by Voyager? What I'm wondering is, why is there no other thing visible in the frame(like sun, other planets etc.,). How is the camera able to capture only ...
5
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1answer
677 views

Will the Sun's magnetic activity disrupt electronics on Earth?

I recently came across a claim that the earth's geomagnetism will change and all the electronics devices will be disrupted due to the Sun's magnetic pole change, as described in this video. ...
6
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1answer
937 views

If gas expands then how are stars formed from collapse of gas and dust?

I do have a good understanding of how stars form. Mass exerts gravity and gases will collapse together and when the density crosses a certain limit, the fusion starts in the core. I was reading the ...
9
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1answer
598 views

Did Earth collide with a planet in its early days of formation?

I was watching documentary about Earth's formation National Geographic. They made this following statement. ......An astonishing event is about to take place.The Earth is on a collision course ...
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2answers
3k views

More stars than grains of sand?

This article http://news.bbc.co.uk/2/hi/science/nature/3085885.stm claims: Astronomers in Australia say there are 10 times more stars in the visible Universe than all the grains of sand on the ...
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2answers
5k views

Are nebulae colored?

The pictures of nebulae are always depicted as vividly colored and with a great variety of colors: Source Omega nebula Source Eagle nebula pillars According to the English wikipedia article on ...
3
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1answer
213 views

Kim Il-Sung's birthday present: a solar eclipse?

I heard this story, where they celebrated the birthday of the now defunct North Korean dictator Kim Il-sung in the 1970s and as a birthday present they created through some very complex artillery ...
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3answers
1k views

Is the chance of dying from a car accident less than dying from an astronomical event?

On page 62 of David Deutsch's excellent The Beginning of Infinity he writes: a typical child born in the United States today is more likely to die as a result of an astronomical event than a ...
7
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1answer
233 views

Does low solar activity cause cold weather?

I'm in Ireland where a few papers have recently parrotted an independent body's assertion that we're heading for low solar activity and, accordingly, a very cold winter. The statement has been ...
6
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1answer
456 views

How do we know the proportion of antimatter in the Universe?

From the Register, talking about the recent CERN antimatter experiment. I'm not concerned with the experiment itself, but rather this claim This, in turn, would help us understand how come our ...
13
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3answers
2k views

Did Bill Nye get booed by a room full of Texans for saying that the moon reflected the suns light?

Did Bill Nye get booed by a room full of Texans for saying that the moon reflected the Sun's light instead of coming from God? This is a well-known internet rumour. Is there any evidence ...
9
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1answer
27k views

Do solar eclipses cause harm to pregnant women?

There are so many articles in the internet that say going out during a solar eclipse causes harm to pregnant women. Is this claim true? Why did this myth come in the first place? This is from a BBC ...
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2answers
541 views

Would the approach of destroying an asteroid in the film “Armageddon” prevent a global catastrophe?

In the 1998 film Armageddon a group of oil rig workers lead by Bruce Willis are tasked with preventing a large asteroid from colliding with the Earth and wiping out civilization. They succeed by ...
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5answers
3k views

Is it possible to get to the power needed to thrust a rocket so that it can escape from earth?

Note: Any velocity mentioned in this question is the velocity relative to the earth. Warning: Base your answers on formal proof and facts, moon images aren't really science... According to ...
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2answers
1k views

Do solar storms affect human behaviour?

The other day, I found the following claim that solar flares cause a great increase in human agressiveness: Chizhevsky found after intense research that the rise and fall of solar ...
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2answers
316 views

Japan's earthquake and the Earth's axis

I've been hearing a lot lately about how Japan's massive earthquake moved the Earth or changed its axis by 1°-4°. I personally feel that this is not possible, but I don't have nearly enough knowledge ...
3
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1answer
535 views

Why are we able to see objects that are several light years away, but we've been unable to determine if there is one in our celestial backyard? [closed]

We've detected hundreds of planets outside of our own solar system, like the cluster around Gliese 581. Likewise, we're discovering distant brown dwarf stars quite quite frequently, such as the ...
11
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3answers
977 views

Have there been any credible reports of unidentified flying objects?

A unidentified flying object is just that—a flying object that has not been identified. There need not be evidence of alien hi-jinx. My criteria for a credible UFO report would include: ...
9
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1answer
643 views

Will the comet Elenin cause significant disruption to life on Earth? [closed]

According to various claims garnering attention around the web, the comet Elenin is likely to cause significant disruption to life on Earth when it gets near (see here for example). Is there any ...