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Why were astronomers surprised to find a pulsar with a planetary system?
A pulsar is a rapidly spinning neutron star, and a neutron star is created when its host star explodes as a massive supernova explosion. Any planets, which formed along with the host star, should have been destroyed or ejected out of orbit when the star blew itself apart. Yet, one of the first extrasolar planets found was located around a millisecond pulsar PSR B1257+12. It is now believed that these planets are either the rocky core remains of massive gas giants (chthonian planets), or planets that had formed from the remains of the supernova explosion during a period of secondary planetary formation. See related questions for more information.
Is a pulsar star like a light house or helicopter?
You might think of a pulsar as very vaguely similar to a lighthouse. A pulsar is a small, rapidly spinning neutron star; flashing at a rate of 4 to 6 flashes per second, they are so precisely regular that when radio astronomers first discovered them, the astronomers couldn't imagine a natural explanation and named them "LGM signals" - for "little green men". They might be, the suggestion went, some form of interstellar navigational beacon.
What comes before a second?
a millisecond comes before a second
Who first recorded the crab nebula?
The Crab Nebula was first recorded by Chinese astronomers in 1054 AD during a supernova event. The remnants of this event, including the Crab Nebula, continue to be observed by astronomers today.
Who discovered the first supernova?
The first recorded supernova was observed by Chinese astronomers in 185 AD, which is known as SN 185. However, the discovery of the first modern supernova, SN 1572, was made by the astronomer Tycho Brahe in 1572.
Why were astronomers surprised to find a pulsar with a planetary system?
A pulsar is a rapidly spinning neutron star, and a neutron star is created when its host star explodes as a massive supernova explosion. Any planets, which formed along with the host star, should have been destroyed or ejected out of orbit when the star blew itself apart. Yet, one of the first extrasolar planets found was located around a millisecond pulsar PSR B1257+12. It is now believed that these planets are either the rocky core remains of massive gas giants (chthonian planets), or planets that had formed from the remains of the supernova explosion during a period of secondary planetary formation. See related questions for more information.
Is a pulsar star like a light house or helicopter?
You might think of a pulsar as very vaguely similar to a lighthouse. A pulsar is a small, rapidly spinning neutron star; flashing at a rate of 4 to 6 flashes per second, they are so precisely regular that when radio astronomers first discovered them, the astronomers couldn't imagine a natural explanation and named them "LGM signals" - for "little green men". They might be, the suggestion went, some form of interstellar navigational beacon.
Which is better pulsar 135 or pulsar 150?
First of all, the main distinguishing factor between Pulsar 150 and Pulsar 135 is the cost. Pulsar 150, as the name says, 150cc has more power, pick up and speed when compared to Pulsar 135. But, pulsar 135 has also got the equivalent features of Pulsar 150. (Because of the latest technology) In a nutshell, Pulsar 135 is a lite version of Pulsar 150. And, my opinion, Pulsar 150 is better...
From what country is Pulsar watch?
Japan. Pulsar watches actually belonged to the Hamilton company but was taken over by Seiko in 1979. Pulsar created the first digital watch in the world.
What comes first a nanosecond or a millisecond?
a nanosecond is smaller a millisecond is one thousand times smaller than a second and a nanosecond is one billion times smaller than a second
Who were the first astronomers in the world?
Many people consider the first astronomers to be the first humans that ever looked up at the night sky and wondered what was really up there. So cavemen were probably the first astronomers.
What british astronomer was the first person to detect a pulsar?
Orell Golding
Who were the first astronomers to space?
Neil amistorng.
What comes before a second?
a millisecond comes before a second
Who was the first people to find out about astronomy?
The ancient Greeks were the first astronomers.
Who made the first digital watch?
A company called Pulsar made the first practical and commercial digital watch.
Why was the shoemaker-levey 9 so important to astronomers?
Because it allowed astronomers their first direct view of a cosmic collision.
