✨ If the Sun was replaced by a black hole of the same mass, it would be just 3 kilometres across and the orbits of the planets would be unchanged✨
#Blackhole
👉 @AstroMechanics
#Blackhole
👉 @AstroMechanics
✨The largest structure found in the universe is the Sloan Great Wall, a super cluster of galaxies 1.37 billion light-years wide✨
#sloan Great wall
👉 @AstroMechanics
#sloan Great wall
👉 @AstroMechanics
👍1
✨The tightly coiled and powerful magnetic fields that corkscrew into the spinning accretion disks of black holes, this can whip up winds blowing at 300 miles per second✨
#Blackhole
👉 @AstroMechanics
#Blackhole
👉 @AstroMechanics
✨The NASA scientists believe that giant black hole at the center of the Milky Way may be vaporizing and devouring asteroids✨
#Blackhole
👉 @AstroMechanics
#Blackhole
👉 @AstroMechanics
✨Black holes are extremely efficient, if a car was as efficient as a black hole it could travel 1 billion miles on one gallon of petrol✨
#Black hole
👉 @AstroMechanics
#Black hole
👉 @AstroMechanics
Which planet is the largest of the terrestrial planets?
Anonymous Quiz
59%
A. Jupiter
29%
B. Earth
7%
C. Venus
5%
D. Mars
The north star, Polaris, is the second brightest star in the night sky.
Anonymous Quiz
60%
A. True
40%
B. False
What is a bright region in the Sun called?
Anonymous Quiz
34%
A. Prominence
44%
B. Sunspot
16%
C. Plage
6%
D. Flage