Tag: the universe

$300 \ light\  years \ {s}^{-1}$

$300\  light\  years\ {hr}^{-1}$

$300\ km$ ${s}^{-1}$

$300m$ ${s}^{-1}$

$2\times {10}^{41}\ kg$

$2\times {10}^{31}\ kg$

$2\times {10}^{21}\ kg$ 

$2\times {10}^{11}\ kg$

25 million years

100 million years

250 million years

500 million years

$V \propto \displaystyle\frac{1}{R}$

$V \propto {R}^{2}$

$V \propto R$

$V \propto \displaystyle\frac{1}{{R}^{2}}$

10 million

15 million

15 billion

50 billion

$2 \times {10}^{6}$

$3 \times {10}^{8}$

$22 \times {10}^{16}$

$12 \times {10}^{8}$

galaxy

solar system

universe

whirling havens

Akash Ganga

Milky Way

Saptarishi

None of these

spiral shape galaxies

elliptical galaxies

irregular galaxies

all of above

Our universe is spreading out over time.

As energy cooled down over time, particles were able to form matter.

Our universe is becoming more compact over time.

All energy was confined in some point from which the explosion occurred.

Energy began to spread out a long time ago.