Pulsars vs. Brown Dwarves & Blue Giants: A Celestial Q&A

  • Thread starter Aftermarth
  • Start date
  • Tags
    Pulsars
They are distinct objects and not related in any way. 2. M45. A cluster of blue giants in the sky. Are they actually close relative to each other like our sun and Sirius or Alpha Centauri, or is it just a coincidence they appear like that in the night sky?The M45, also known as the Pleiades, is a cluster of blue giants that appear close to each other in the night sky. However, they are not actually close relatives like our sun and other stars in our galaxy. They are a chance grouping of stars that appear close together due to their position in the sky from our perspective on Earth.
  • #1
Aftermarth
74
0
Ok two questions for all u smart people out there:

1. What is the difference between a pulsar and a brown dwarf? are brown dwarves just dead white dwarves?

2. M45. A cluster of blue giants in the sky. Are they actually close relative to each other like our sun and Sirius or Alpha Centauri, or is it just a coincidence they appear like that in the night sky?
 
Astronomy news on Phys.org
  • #2
1. What is the difference between a pulsar and a brown dwarf? are brown dwarves just dead white dwarves?

A pulsar is a type of neutron star that is formed after a massive star goes supernova. A brown dwarf is planet several times the size of Jupiter that isn't quite massive enough to create nuclear fusion in its core.
 

1. What is the difference between a pulsar and a brown dwarf?

A pulsar is a type of neutron star that emits beams of radiation from its magnetic poles, while a brown dwarf is a failed star that is not massive enough to sustain nuclear fusion. Pulsars are much more dense and compact than brown dwarves, and also have a much stronger magnetic field.

2. How do pulsars and brown dwarves form?

Pulsars form when a massive star collapses in a supernova explosion, leaving behind a dense core of neutrons. Brown dwarves form from collapsing gas clouds that do not have enough mass to initiate nuclear fusion and become a star.

3. What is a blue giant and how does it compare to a pulsar or brown dwarf?

A blue giant is a very bright, hot, and massive star that is in its main sequence stage. It is much larger and more luminous than a pulsar or brown dwarf, and also has a much longer lifespan due to its ability to sustain nuclear fusion.

4. Do pulsars, brown dwarves, and blue giants have any potential to support life?

No, pulsars and brown dwarves are not capable of supporting life as they do not have a stable source of energy. Blue giants may have the potential to support life on any orbiting planets, but the intense radiation and heat from the star make it unlikely.

5. How do we detect and study pulsars, brown dwarves, and blue giants?

We can detect and study pulsars using radio telescopes that pick up their radio emissions. Brown dwarves and blue giants can be studied using various telescopes that detect different wavelengths of light, such as infrared and ultraviolet. Scientists also use computer simulations and models to study these celestial objects.

Similar threads

Detecting Nearby Faint Objects
    • Astronomy and Astrophysics
Replies
6
Views
2K
Is my fictional Solar System stable and realistic?
    • Sci-Fi Writing and World Building
Replies
21
Views
981
What colors and attributes could alien flora & fauna have?
    • Sci-Fi Writing and World Building
Replies
15
Views
3K
Star-hopping a way home for a superman; astronomers needed
    • Sci-Fi Writing and World Building
2
Replies
36
Views
11K
Possibility of Betelgeuse exploding in near future
    • Astronomy and Astrophysics
Replies
8
Views
15K
Another Neptune in the Oort Cloud
    • Astronomy and Astrophysics
Replies
7
Views
8K
Earth Day - My Contact Experience
    • Earth Sciences
Replies
16
Views
4K
Mathematica This Week's Finds in Mathematical Physics (Week 259)
    • MATLAB, Maple, Mathematica, LaTeX
Replies
1
Views
2K
Mathematica This Week's Finds in Mathematical Physics (Week 261)
    • MATLAB, Maple, Mathematica, LaTeX
Replies
5
Views
2K

Hot Threads

Recent Insights

Back
Top