Questions tagged [meteor]

Questions on objects passing through the atmosphere which leave visible wakes of incandescent material.

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12 votes
2 answers
3k views

How can I identify if my stone is meteorite?

I found 2 stones in my village. One of them is magnet attractive, well-shaped, no bubbles etc. I just want to clarify if it is meteorite, but in my country (Azerbaijan) there's not such a lab. Is it ...
31 votes
1 answer
5k views

Trying to identify something I saw in the sky

I'm trying to identify something I saw in the sky. This occurred in central Virginia (Louisa county), US on Sunday at around 2:15 AM EST. It started as a ring of what looked like smoke, high in the ...
-1 votes
1 answer
108 views

is an asteroid impact the same as an atom bomb [closed]

Pretty much what it says on the tin. Would an asteroid like say, the one that killed the dinosaurs be like a massive atomic bomb? With the eyes melting, bodies burnt to a crisp, leaving only shadows ...
8 votes
1 answer
2k views

What would happen if Venus was hit by a Chicxulub-like meteor?

What would happen if Venus was hit by a Chicxulub-like meteor? Would the dense atmosphere and high surface pressure and temperature lead to a different result compared to what happened here on Earth?
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0 votes
1 answer
67 views

The Kuiper Belt and Oort cloud [closed]

How come the comets and asteroids in the Kuiper belt and Oort cloud are kept in a gravitational field and they don't get pushed and pulled by the planets around them? I get why comets in the Oort ...
6 votes
2 answers
133 views

What percentage of meteors are visible to the naked eye?

I read on a box of Lucky Charms that there are nearly a million shooting stars every day. My initial reaction was, "that's obviously false." However, upon further research I discovered that &...
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3 votes
2 answers
308 views

Satellite?? Star?? I am puzzled over what I just saw

I was just outside between 6:10 - 6:12 a.m. this morning (Sep.11/2021) and between this time saw the strangest anomaly in the sky. It was still completely dark outside, the stars were extremely clear ...
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4 votes
3 answers
97 views

Fixed star-like light appears for a second or two - is there a way to find out what it was?

I saw what I can only describe as a fixed point of light, as bright as a shooting star, near Alpheratz for a second or two before disappearing. I am positive it wasn't a satellite nor a plane. There ...
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1 vote
0 answers
35 views

What is a "rare earthgrazer" and why might I see one during the Perseids "earlier in the night" moving slow, across the horizon?

I clicked on a Yahoo News link How to watch the Perseids — the best meteor shower of the year and saw the following sentence: The meteors are very fast and bright, regularly leaving long tails of ...
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1 vote
0 answers
36 views

Dotted line of moving objects observed on May 5th and May 12th [duplicate]

I saw a dotted line shooting star-like object May 5th and May 12th. It was longer than any meteor/shooting star tail or trail I've ever seen before. I mean longer in every way, the distance it ...
2 votes
1 answer
84 views

How do they know the TNT equivalent of the meteor explosion over Vermont?

I've seen several reports of this meteor explosion, below are two. Was there infrasound recordings of the pressure wave, or were weak, local seismic signals recorded, or it this just a ballpark ...
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13 votes
4 answers
3k views

Does a meteor's direction change between country or latitude?

So here is the question me and a friend of mine from Norway we saw a meteor but que said he saw it in the opposite direction as me and I was looking from spain, does that make any sense? Or we should ...
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1 vote
0 answers
49 views

Observed meteors on Venus?

In an article on Venus by JPL from 1996 I read Due to the dense Venusian atmosphere, primary impact craters of less than a 3 kilometer (2 mile) diameter are nonexistent. I am now wondering whether ...
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1 vote
0 answers
73 views

Meteor size and frequency distribution for Earth vs. moon or other planets?

I struggle to find an answer to the at-first-sight simple question if or how the size distribution and frequency distribution of incoming rocks hitting the ground or the atmosphere vary from Earth, to ...
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1 vote
0 answers
51 views

Do some shooting stars NOT travel in a straight line? [duplicate]

I saw what I assumed was a shooting star on December 21 (or 22) 2020 that moved in a straight line and then abruptly turned in an arc perpendicular to its original straight path. The brightness and ...
0 votes
2 answers
144 views

Why black holes look black to us?

Why black holes look black to us? The question might sound weird but my head stuck in it. As we know objects that fall into the black holes seem to remain unchanged in its event horizon due to the ...
4 votes
1 answer
147 views

Any record of the Earth passing through the tail (not trail) of a comet?

Discussion below the Space SE question How hard is it to fly through the tail of a comet? Has it been done? has led me to ask if there is any record of the Earth passing through the tail of a comet. ...
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2 votes
0 answers
49 views

Have any meteoroids been detected before they reached the Earth's atmosphere?

Once a meteoroid starts burning up in the atmosphere, it becomes a visible meteor. Have any meteoroids been detected before they started to burn in the atmosphere? If yes, what is the ballpark ...
  • 16.8k
23 votes
1 answer
2k views

How long between the moment a meteor is first visible and the moment a meteorite hits the ground?

A meteor is usually only visible for a couple seconds at most, but I would guess that it usually stops being visible high above the ground. Meteors often don't make it to the ground as they completely ...
  • 16.8k
2 votes
0 answers
54 views

What could have this blue "bouncing" trail been? [closed]

Last night at around 8:45 PM (UK Time), I saw something I've never seen before. It was a cloudy night and I saw a flash in the sky. When I looked towards it, I saw something that looked like a ...
  • 21
2 votes
1 answer
116 views

Origins of meteorites?

I am aware that the vast majority of meteorites come from the asteroid belt (including 4 Vesta), with some from the Moon and Mars. Are there any other locations from which meteorites have originated (...
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10 votes
2 answers
2k views

Where is the Perseids meteor shower coming from?

Swift–Tuttle Comet has orbital period of 133.28 years. Yet, people say that debris and dust from this comet causes this meteor shower. This does not make any sense. Or do they want to say that from ...
5 votes
1 answer
384 views

Strange trail left by shooting star [duplicate]

I saw something really odd last night that I cannot understand. Last night I got up around 3am to catch a glimpse of the upcoming Perseids meteor shower, now I know it's not peaking until next week ...
1 vote
1 answer
26 views

Is there an all sky meteor watch with spectroscopy?

I assume performing spectroscopy on meteors would give us information about the composition of the outer layers of meteoroids, which we can't study on finds because it has already burned up. This ...
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1 vote
1 answer
136 views

apparent and absolute magnitude of meteors and space debris

I have a question regarding the apparent and absolute magnitude of space debris objects or meteors reentering the earth's atmosphere. I already understand the difference between apparent and absolute ...
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1 vote
2 answers
141 views

What could be the name of a huge asteroid I watched some years ago?

Some years ago I was with my family in Venezuela. I'm not sure about the date/hour, but probably it was somewhat around 2007 in the afternoon. We were talking when one of us saw a huge meteor moving "...
12 votes
2 answers
1k views

How complicated is the heating of meteors?

When any gas, including our atmosphere, is compressed, it's temperature rises. When a meteor is falling through the atmosphere, it is compressing the air below it. Because this makes the air hotter ...
3 votes
1 answer
273 views

Why is this shooting star wavy or squiggly toward the end of it's visible streak

I was taking photos of some stars when I noticed this shooting star was wavy toward the end (start?) of it's trail. My cousin suggesting that it could be the CCD in my camera or as it spiralling as it ...
7 votes
2 answers
232 views

Are meteors visible on Mars?

If a person were standing on the surface of Mars, under ideal viewing conditions for seeing a meteor: no clouds, the sun has long set, would a meteor be visible to the naked eye considering how thin ...
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1 vote
1 answer
159 views

What makes some meteor showers continue for days, while the "Unicorn shower" can be shorter than one hour?

The Washington Post's One hundred meteors in 15 minutes? ‘Short-lived outburst’ of shooting stars forecast for Thursday night. says: A “short-lived outburst” is forecast for Thursday evening around ...
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0 votes
3 answers
23k views

Slow moving star like objects in the night sky [duplicate]

So yesterday at about 2am I was watching the sky when I saw a small star like object moving very slowly across the sky. My initial thought was that it was a satellite due to the fact it was moving so ...
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20 votes
1 answer
3k views

Why did this meteor appear cyan?

A meteor recently flashed over Queenland. The meteor has been described by various people as appearing cyan or aqua, so the blueness of the image can't be due to a camera issue. The colour doesn't ...
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3 votes
2 answers
154 views

How was this interstellar fireball observed and its trajectory analyzed?

The short, interesting paper Discovery of a Meteor of Interstellar Origin describes a proposed discovery of a second interstellar object. This one hit the Earth, and was discovered not by telescope, ...
  • 30.5k
0 votes
1 answer
181 views

Could the Sun have liquid iron in orbit?

How close of an orbit to the Sun could an iron meteor get before it melts into a ball?
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0 votes
1 answer
111 views

Could pure iron from a star make it to Earth?

Since iron is a stars waste could a star that goes Super nova eject pure iron to travel across the galaxy? https://space.stackexchange.com/questions/35101/99-99-pure-iron-meteorite
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2 votes
0 answers
52 views

Was NASA's 2007 attempt to see helions during a solar eclipse successful? What instruments were used?

This answer about Sun-grazing comets led me eventually to Wikipedia's Helion (meteoroid), which has a one-sentence long article: A Helion meteoroid is a meteoroid that arrives from the approximate ...
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9 votes
1 answer
286 views

What percentage of a lunar meteor strike is blown back into space?

Reading a discussion on another website, it was proposed that if a large meteor struck the moon, that a few days later, Earth would receive a meteor shower. I thought about that and it seemed to me ...
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7 votes
2 answers
3k views

Did I see a mentionable event in Germany early morning on 6th of February 2019?

Around 6.15am (GMT + 1) on the 6th of February 2019 I was looking out of my window somewhat north, when I saw something one would probably call a shooting star. The features were: A magnitude I ...
  • 370
-3 votes
1 answer
3k views

Why do shooting stars burn close to the ground sometimes?

I saw a shooting star as I was standing on the roof of my home. My home is double storey. And the height of that shooting star that I saw was maybe 10 to 13 meters. It was burned down at that height. ...
1 vote
2 answers
115 views

What would it take to capture a passing asteroid or other celestial body into Earth's orbit?

Every once in a while, we have a celestial body that passes through our solar system. What would be needed to reel one of these in? Not crashing down to Earth, that would be bad, but say into a high ...
3 votes
1 answer
68 views

Will comet 21P that just passed Earth on Sept 10 produce Draconid storm on Oct 9?

Comet 21P/Giaccobini-Zinner just made its closest pass to Earth and also made its Solar perihelion on the same day (Sept 10) which is roughly one month ahead of the annual Draconids meteor shower (Oct ...
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-1 votes
3 answers
526 views

Which of the following is the correct usage: meteor / meteorite?

I hope a meteor falls on your head. or I hope a meteorite falls on your head. And why? Definition of meteor Definition of meteorite
4 votes
2 answers
144 views

Water Content of Space Bodies

In general, are carbonaceous chondrites (CC) or comets more water rich? I know that evidence has suggested that both CC and comets are partly composed of water, but which body is generally more water ...
  • 195
2 votes
1 answer
269 views

C-Type Asteroids and Carbonaceous Chondrite Meteorites

I was just wondering, what is the relationship between C-type asteroids and carbonaceous chondrite (CC) meteorites? Do CC meteorites come from C-type asteroids?
  • 195
2 votes
1 answer
118 views

Precautions when retrieving material originated from space

I'm assuming that when retrieving a meteor for study and later display, there are precautions taken against possible radiation coming from it. Is my assumption correct and are there other precautions ...
4 votes
1 answer
99 views

Is it possible to image a meteor so the rock is visible?

I was wondering what one would see if they were to look through a telescope tracking a meteor as it shot through the sky. Technology aside, would one be able to see the object tumbling or would it ...
2 votes
1 answer
94 views

Is there a database for identifying the falling light I saw?

I witnessed a light fall from the sky. It was visibly about as bright as Mars, so brighter than meteorites I've seen, was just a point of light with no tail, and traveled much much faster than an ...
  • 123
-1 votes
1 answer
453 views

pH of meteorite [closed]

When a meteorite shower strikes a water body, what will be the pH of the water after the strike. Will it always be $<7$ or Will it always be $>7$ or Will it always be $=7$ or The answer ...
2 votes
1 answer
394 views

How much time does it take for a meteor (shooting star) to touch the ground after its combustion? [closed]

I know that meteors that We see as shooting stars travel tens of thousands of kilometers per hour and are tiny as a grain of sand, but after hitting the atmosphere and burn I suppose that its ashes ...
6 votes
1 answer
148 views

What explains this puzzling radio signature from a fireball?

September 21, 2017 a bright fireball over Holland was reported by hundreds of people. Several all-sky cameras recorded it as well as a special radio beacon set up to capture radio signatures of ...