Black Hole

Question 1

news

Answer 1

scientists - event horizon telescope (EHT) facility - 1st pic of black hole - milky way

Question 2

astronomers abt black hole

Answer 2

almost all galaxies - centre - a giant black hole

Question 3

milky way black hole

Answer 3

cld Sagittarius A* (Sgr A*)
Near border of sagittarius & scorpius constellations
4 mn times > sun

Question 4

what did the pic prove

Answer 4

compact obj at centre of our galaxy - black hole - strengthening einstein’s general theory of relativity

Question 5

what’s black hole

Answer 5

a pt in space - matter - so compressed to create a gravity field - even light can’t esc
light - chaotically bent & twisted
also superheated gas & dust

Question 6

black holes theorised by?

Answer 6

albert einstein
1915

Question 7

parts of black holes

Answer 7

2
1. singularity - @ its core - infinitely dense cz all the remnant mass of the star - compressed into this pt
2. event horizon - a region of space beyond black hole - a “pt of no return” - impossible to esc the gravitational effects

Question 8

EHT project

Answer 8

EHT = grp of 8 radio telescopes @ diff parts of the wrld
2006 - IN grp of > 200 researchers led by harvard univ astronomers launched the project with 1 aim: to capture a direct shot of a black hole

Question 9

general theory of relativity

Answer 9

a theory of gravity
instead of being an invisible force (attracting one obj to another) - it’s a curving / warping of space
the more massive an obj, the more it warps the space around it
https://youtu.be/UG4Jz9rNzj8