Home
News
Reference
Constants
Fundamental Physical Constants
Air Composition
Astro-physical Constants
Coefficients of Friction
Indices Of Refraction
Nuclear & Particle Data
Special Math Constants
Calculators & Apps
Unit Conversion
Periodic Table of Elements
Time Reference & Exact Time
Humidex & Windchill Calculator
Other
Decimal Multiples & Prefixes
Physics Glossary
Greek Alphabet
Materials Safety Info
Nobel Prize & Bruce Medal Info
Ask Experts
Answers
Classical Mechanics
Thermodynamics
Electricity & Magnetism
Waves in Matter, Sound
Light, Optics and Photonics
Atomic & Nuclear
Quantum Mechanics
Special & General Relativity
Astronomy & Astrophysics
Definitions & Reference
All Answers, all categories
Questions
Unanswered Questions
Directories
University and College Departments
Institutes and National Labs
Professional Societies
Student Societies
Journals
Publishers
Companies
Education
Grad Advisor
Essays
Astronomy
History of Physics
Reference for Educators
Youth Science
New Theories
Fun
Cartoons
Cartoons by Rick London
Cartoons by Mark Parisi
Cartoons by John McPherson
Cartoons by Jerry Van Amerongen
Solvay ala PhysLink.com
Jokes, etc.
Jokes, jokes and more jokes
Physics Party
Chemist's equiVALENT Party
Physics Major?
Is there Santa?
'Twas The Night Before Christmas, NASA-style
The Fate of the Universe
The Ten Commandments for Amateur Astronomers
Science Shop
Physics and Astronomy News Archive: April 2019
Astronomers Capture First Image of a Black Hole
Source:
EHT
Posted:
4/11/19
Scientists have obtained the first image of a black hole, using Event Horizon Telescope observations of the center of the galaxy M87.
'Watch the stars, and from them learn.
To the Master's honor all must turn,
Each in its track, without sound,
Forever tracing Newton's ground.'
Albert Einstein
(
1879-1955
)
Top 100 Lists:
Science Kits
Science Supplies
Science Toys & Gifts
Corporate Gifts
Stocking Stuffers
Popular Products:
Scientific Desk Toys
Physics Kits
Hobby Solar Cells
Physics Lab Supplies
Test & Measurement
Optics & Lasers
Hobby DC Motors
Battery Holders
Science Articles:
7 Hot Summer Science Experiments
8 Science Experiment Ideas
Science Fair Advice
Keeping Kids Interested in Science
Summer Science Projects
Shop
Our Online Science Store
Fan Micro Car DIY STEM Kit
$9.99
$5.55
Battery-Powered Balancing Robot DIY STEM Kit
$9.99
$5.55
Wire Maze Electricity DIY STEM Kit
$9.99
$5.55
Simple DC Motor DIY STEM Kit
$9.99
$5.55
Doodling Shake Bot DIY STEM Kit
$9.99
$5.55
Solar & Battery Fan DIY STEM Kit
$9.99
$6.50
Hand-Crank Generator DIY STEM Kit
$9.99
$6.50
Solar Micro Car Kit DIY STEM Kit
$9.99
$5.55
