Why are all stars, planets, galaxies, natural satellites, and moons always rotating?
If two stars collided head on would they still retain their rotation or part of it?
Search found 11 matches
- Wed Jul 22, 2009 3:29 am
- Forum: The Asterisk Café: Discuss Anything Astronomy Related
- Topic: Rotation of stellar objects.
- Replies: 3
- Views: 340
- Wed Jul 22, 2009 3:24 am
- Forum: The Asterisk Café: Discuss Anything Astronomy Related
- Topic: Gravity
- Replies: 2
- Views: 324
Gravity
I have not been able to find any threads covering my question in the FAQ department. I presume gravity is strongest at the surface of the earth. What is the effect of gravity as you approach the center of the earth? (Presuming you could measure it deep below the surface) Does it become stronger or w...
- Wed Oct 26, 2005 2:26 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Gravity
- Replies: 1
- Views: 1722
Gravity
I presume the "Local Group" includes galaxies that are gravitationly attracted to each other. If The Milky Way galaxy is being attracted to the Andromeda galaxy does that also mean that all the galaxies in the Local Group are being attraacted to one another or are they revolving around som...
- Sun Oct 23, 2005 4:04 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: The Andromeda Galaxy
- Replies: 35
- Views: 9978
The Andromeda Galaxy
I understand that the Andromeda Galaxy is approaching our Milky Way Galaxy.
If the Universe is expanding why arn't all galaxies moving away from each other?![Rolling Eyes :roll:](./images/smilies/icon_rolleyes.gif)
If the Universe is expanding why arn't all galaxies moving away from each other?
![Rolling Eyes :roll:](./images/smilies/icon_rolleyes.gif)
- Sun Sep 18, 2005 3:39 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD editor to speak in New York in January
- Replies: 73
- Views: 82135
Re: A webcast would be very well
[quote="boswachter"]I could even benefit of it here in Kiev, Ukraine ![Smile :)](./images/smilies/icon_smile.gif)
Happy holidays to everyone
Henk
PS: Christmas is on January, 7 here...[/quote]
![Smile :)](./images/smilies/icon_smile.gif)
Happy holidays to everyone
Henk
PS: Christmas is on January, 7 here...[/quote]
- Wed Sep 07, 2005 3:24 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Astronomical Photographs
- Replies: 0
- Views: 2197
Astronomical Photographs
I cannot tell you how impressed I am with the quality of the photographs shown in APOD. The latest one showing the stripes on the moon of the planet is so clear it looks like a photo of our moon from earth. I would like to know how long it takes to obtain a single image from a space probe so far awa...
- Tue Sep 06, 2005 3:24 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Colliding Stars
- Replies: 41
- Views: 14205
Colliding Stars
Is there any evidence of colliding stars in our galaxy or other galaxies?
If two stars collided head on would one or the other or both be completely destroyed?
If two stars collided head on would one or the other or both be completely destroyed?
- Sat Sep 03, 2005 4:44 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Albireo
- Replies: 2
- Views: 2363
Albireo
I found the article about Albireo very interesting and have a few questions to ask. The distance to Albireo is reported to be 380 light years from our Sun, but the distance between the two stars was not mentioned although they take 75,000 years to orbit each other. Is it possible to determine their ...
- Fri Aug 26, 2005 4:29 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Relationship of indentations and age of object.
- Replies: 2
- Views: 2748
Relationship of indentations and age of object.
The asteroid or satellite shown in the latest photograph shows a lot of pock marks or craters. The commentator said it was a very old object b ecause of these indentations. My question is whether scientists can tell how old an object is from looking at it and inspecting the number of "hits"...
- Mon Jul 18, 2005 5:22 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: What is the universe?
- Replies: 6
- Views: 3842
What is the universe?
8) Does the term "Universe" include everything that exists regardless of whether man can photograph it or not? Does the universe have a distinctive three-dimensional shape that can be visualized? Are the most sophisticated telescopes in the world today limited to any particular distance?. ...
- Sun Jul 17, 2005 3:33 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Gravity
- Replies: 1
- Views: 2221
Gravity
It was mentioned in a posting that a group of galaxies were being influenced by the galaxies nearest to them. Myquestion is: Is every bit of matter in the universe affected by all of the matter? Is every galaxy, no matter how far away affected by all of the other galaxies? Can a star exist in the un...