 It is smaller than the Sun.  It is “4.2 billion light years away” from Earth.  It is also is “18,000 times fainter than the sun.”

Slides:



Advertisements
Similar presentations
Stars and Galaxies The Sun.
Advertisements

Distances in Space.
STARS  Stars are the pieces of our universe.  Each star is fixed in a certain spot in its Galaxy.  Planets and other things orbit in a solar system.
Astronomy How would you define this term?. Astronomy The study of everything beyond Earth!
Astronomy190 - Topics in Astronomy
AIM: What is the Life Cycle of a Star?. If you were preparing a timeline of your life, what would you include?
Hertzsprung-Russell Diagrams. What is a star? A cloud of gas, mainly hydrogen and helium The core is so hot and dense that nuclear fusion can occur. The.
Elements from Stardust. Build a Diagram Find Hydrogen 1, Hydrogen 2 and Hydrogen 3 Bohr atom models. Illustrate Find typical Helium Bohr atom models.
Distances in our Universe The universe is so large that we must use special units of measurement. Kilometers and miles just won’t cut it.
The Sun and other stars The Sun is a Star and a source of light for everyone on Earth The light from the Sun takes 8.3 minutes to reach us Like all stars,
The Universe Pictures by the Hubble Space Telescope.
STARS. For most of recorded history the Earth was thought to be the center of the universe and never moved. The constellations were named and stories.
Assessment 9: Size of the Universe
I. Stars A.The Brightness of Stars -Star: A hot glowing sphere of gas that produces energy by fusion. -Fusion: The joining of separate nuclei. Common.
 It was discovered in 1915 by Robert Innes, who was director of Union Observatory in Johannesburg, South Africa.
Chapter 5 Lesson 1: The Sun. What is the Sun? A star which produces its own energy (light) There are stars which can make ten million times what the sun.
What is the name given to the celestial object below? Do you think its’ orbit around the sun is more or Less elliptical as compared to Earth?
The Sun By Jack. What is the sun? The sun is a star, it is the closest star to Earth and is the centre of our solar system. It is an average star, meaning.
Stars The apparent twinkling of the stars is a product of the turbulence and motion of the Earth’s atmosphere Stars have different colors depending on.
Facts about the sun Sun Cycle Layers of the sun Sun’s Energy Terms Magnetic field $ 200 $ 200$200 $ 200 $ 200 $400 $ 400$400 $ 400$400 $600 $ 600$600.
The Sun By Andrew and Mia
The Sun. The Sun is our most important star because: – Provides energy for plants and animals – Its gravitational pull keeps us in orbit Produces energy.
_________________at the centre of our solar system.
The Sun Science 9. An Important Star Provides energy for life Keeps Earth in a steady orbit It is the closest star to Earth and the brightest object in.
26.2 Stars Proxima Centauri, the red star at the center, is the closest star to the sun.
Stars!!!! Galaxies and the Universe too!. Stars are far away! The closest star to Earth is the sun. The next closest is Proxima Centauri If you can travel.
All stars form in clouds of dust and gas. Balance of pressure: outward from core and inward from gravity.
By: Phoebe Wang. What Is A Star? A star is a sphere which can produce light by Itself. Some stars have high temperature Surface, for example: THE sun.
By: Megan Devin Alpha centauri.
Stars. Characteristics of Stars A star is a massive ball of plasma that emits light and electromagnetic energy throughout the universe. While there is.
THE SOLAR SYSTEM Learning About Our Universe…. THE SUN Is the largest object in the solar system… It is a star… It’s light reaches the earth in about.
Red Dwarf By Andrew Lem. The red dwarf is the most common star in our galaxy, they cover around 70% or our galaxy The red dwarf is the most common star.
The Sun By: Sam Belanger. What is it? The sun is G2 star Closest star to Earth Contains: hydrogen 70%, 28% helium, metals and other materials 2% Largest.
Galaxies The basic structural unit of matter in the universe is the galaxy A galaxy is a collection of billions of _____________, gas, and dust held together.
Proxima Cenaturi Ayla DeGuzis Mrs. Lower May 23, 2012.
© 2011 Pearson Education, Inc. Chapter 17 Measuring the Stars.
The Sun: Our star.
By: Cassidy Osborne. Proxima means closest because it is the star closest to the sun. Proxima is about 23 trillion miles away from Earth.
Sun’s Energy Source. Sun’s Luminosity _____ = 3.9 x watts[Note: 1 watt = ______ ] Average power consumption by humans on Earth = ____________ Amount.
 Stars are born from great clouds of gas and dust  They mature, grow old, and die  The more massive a star is, the shorter its life  A star is a sphere.
Stars A star is a large, glowing ball of gas in space, which generates energy through nuclear fusion in its core. The closest start to Earth is the sun,
Sun Notes. Characteristics CLOSEST star to earth CLOSEST star to earth The bright star in the center is Proxima Centauri.
A Universe of Stars The Strange and the Amazing Nebulas.
The Milky Way Galaxy – Our Galaxy The Universe  A galaxy is a group of stars, dust, and gases held together by gravity.  Our solar system is a part of.
Mercury is the innermost and smallest planet in the solar system, orbiting the Sun once every 88 days. It appears as a bright star from Earth. Mercury.
11.2 The Sun and the Planets Our Sun, an average star in the universe, is the center of our solar system. Planets, moons, asteroids and comets revolve.
Lecture Outlines Astronomy Today 8th Edition Chaisson/McMillan © 2014 Pearson Education, Inc. Chapter 15.
26.2 Stars Stars Chapter 26.2 ParallaxParallax Video Lecture Birth of StarsBirth of Stars Video Lecture.
Constellations An group of stars the ancients originally named after mythical characters.
Hosted by Mrs. Walia Choice1Choice 2Choice 3Choice
Chapter 15 Surveying the Stars Patterns Among Stars.
Solar System – Activity 11. What do all of these words mean? STARSUN SOLAR SYSTEM STAR A STAR is an extremely large, hot ball of burning gas that radiates.
The Sun: Our star.
Goal to understand the scale of the universe
The Sun is the largest object in the solar system.
Stars.
The Sun: Our star.
Extrasolar Planets.
Luminosity (relative to Sun)
Proxima Centauri, the red star at the center, is the closest star to the sun. A star is a large, glowing ball of gas in space, which generates energy through.
What’s in Our Solar System?
It is a period of wonderment It is a period of wonderment. Earth spaceships wander the solar system in an attempt to gather information.
Distances in Space.
What type of star ends up as a White Dwarf?
Chapter 26: Stars and Galaxies
About what temperature star would have a habitable zone that ends closest the orbit of Jupiter (5AU)? 5500 K 6000 K 6900 K 8400 K 9500 K D K Exploring.
A star is a large, glowing ball of gas in space, which generates energy through nuclear fusion in its core. The closest star to Earth is the sun, which.
Hertzsprung – Russell Diagram
Fusion in the Sun.
The Milky Way.
Presentation transcript:

 It is smaller than the Sun.  It is “4.2 billion light years away” from Earth.  It is also is “18,000 times fainter than the sun.”

 It is a red dwarf that is the closest star to the sun.  Its “surface temperature is as low as 3300 K.”

 “It was discovered in 1915 by Robert Innes, the Director of the Union Observatory in South Africa.”

 “ Although it has a very low average luminosity, Proxima is a flare star that undergoes random dramatic increases in brightness because of magnetic activity.” `

 “The mixing of the fuel at Proxima Centauri's core through convection and the star's relatively low energy production rate suggest that it will remain a main-sequence star.

 Proxima is a “red dwarf Star,”

 Of the Sun with Supermassive Stars.

 Its estimated mass is equal to 129 Jupiters!  During solar flares, the flares can get the same size of the star!  Proxima Centauri is approximately “4.2 light years away from Earth.”

 “Proxima Centauri has been the closest star to the Sun for about 32,000 years.”  It is possible that there are habitted planets that orbit Proxima.  This planet(s), however, would “experience tidal locking.”

 You can also call Proxima Centauri Alpha Centauri C.  It “is part of a triple star system” and is smaller that both stars Alpha Centauri A and Alpha Centuari B.

 niverse/Proxima.html  ntauri  oxima-centauri.html