'Less luminous' diaporamas de présentation

Less luminous - PowerPoint PPT Presentation

X-ray Surveys

X-ray Surveys

X-ray Surveys Ann Hornschemeier NASA GSFC Ann.Hornschemeier.Cardiff@nasa.gov Material liberally borrowed from Richard Mushotzky, Niel Brandt, and others Missing from talk The Galaxy (focus is extragalactic)

★ ★ ★ ★ ★

752 views • 34 slides
X-ray Surveys

X-ray Surveys

X-ray Surveys . Ann Hornschemeier NASA GSFC Ann.Hornschemeier.Cardiff@nasa.gov Material liberally borrowed from Richard Mushotzky, Niel Brandt, and others. Missing from talk. The Galaxy (focus is extragalactic)

★ ★ ★ ★ ★

450 views • 34 slides
a. 1/3 year; b. 9 years; c. 3 years; d. none of the above

a. 1/3 year; b. 9 years; c. 3 years; d. none of the above

If the Sun were 9 times more heavier than it is, while the Earth were still 1 A.U. (Astronomical Unit) away from it, the Earth year would be:. a. 1/3 year; b. 9 years; c. 3 years; d. none of the above. How is the distance to a star related to its parallax?.

★ ★ ★ ★ ★

499 views • 33 slides
The Local Group

The Local Group

The Local Group. Approximately 41 members All within 5 million light years of the Milky Way Clustered in two groups around the two dominant spiral galaxies (The Milky Way and Andromeda) Average apparent Magnitude = 11 Average Absolute Magnitude = -13 Average Diameter = 5 kpc.

★ ★ ★ ★ ★

473 views • 32 slides
Star Formation in Extremely Faint Gas Rich Dwarf Galaxies

Star Formation in Extremely Faint Gas Rich Dwarf Galaxies

Star Formation in Extremely Faint Gas Rich Dwarf Galaxies. Ayesha Begum (UW, Madison). Sambit Roychowdhury (NCRA), Jayaram N. Chengalur ( NCRA ), Igor D. Karachentsev (SAO ), Margarita Sharina (SAO). Topics to be addressed.

★ ★ ★ ★ ★

478 views • 31 slides
Looking for a Color-Luminosity Relationship for AGN July 16, 2013 prepared by Varoujan Gorjian

Looking for a Color-Luminosity Relationship for AGN July 16, 2013 prepared by Varoujan Gorjian

CM4SY. Looking for a Color-Luminosity Relationship for AGN July 16, 2013 prepared by Varoujan Gorjian NITARP Scientist. An Image of the sky is essentially 2D. How Can we tell how far things are?. There is one way to get relative distance.

★ ★ ★ ★ ★

337 views • 25 slides
Properties of Stars

Properties of Stars

Properties of Stars. http://stardate.org/radio/program/delta-lyrae. Learning goals:. Explain what is meant by the parallax of a star, how we measure it and use it to find the distance to a star. Define arc second, parsec. Define brightness, apparent magnitude, absolute magnitude.

★ ★ ★ ★ ★

454 views • 24 slides
Evaluate the expression.

Evaluate the expression.

1. 1. q 3 when q =. 4. 3. ANSWER. 1. 9. 5. 64. 25. about 10 6 or 1,000,000. ANSWER. 2. c 2 when c =. ANSWER. Warm-Up. Evaluate the expression.

★ ★ ★ ★ ★

277 views • 19 slides
White Dwarf Stars

White Dwarf Stars

White Dwarf Stars. Low mass stars are unable to reach high enough temperatures to ignite elements heavier than carbon in their core become white dwarfs. Hot exposed core of an evolved low mass star.

★ ★ ★ ★ ★

909 views • 10 slides
White Dwarf Stars

White Dwarf Stars

White Dwarf Stars. Low mass stars are unable to reach high enough temperatures to ignite elements heavier than carbon in their core become white dwarfs. A white dwarf is the hot exposed core of an evolved low mass star.

★ ★ ★ ★ ★

318 views • 10 slides

View Less luminous PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Less luminous PowerPoint presentations. You can view or download Less luminous presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.