Question

Q.Explain 2 mindblowing incident when satellite solved mystry.

Answer 1

Hubble satellite solved that pluto is no longer a planet and expanded area of observable universe.
Rosetta solved spaces around saturns ring and explaines titan,a satellite.
plz mark as brainliest.

Answer 2

Answer:

1. Dark Matter – The Spider’s Web

Planets, stars, asteroids, galaxies – the things that we can actually see – make up less than 5% of the total universe. Scientists think another ~25% is a strange substance called dark matter: we can’t see it, we don’t understand it, but we’re pretty sure it’s out there because everything moves to its gravitational tune.

Scientists believe that dark matter acts like a spider’s web, holding fast-moving galaxies together. And there’s so much of this stuff that it bends the appearance of space, so that when astronomers observe distant galaxies, they often appear distorted.

We have plenty of evidence that dark matter exists, but as for what it is, that remains a mystery. Some think dark matter is composed of an undiscovered particle or particles, others believe it’s an undiscovered property of gravity. Whatever the truth, dark matter is a real puzzle, and it’s proved hugely tricky to pin down.

2. Dark Energy – The Poltergeist

So if dark matter makes up 25% of the universe and normal matter makes up 5%, what about the other 70%?

We think that the remainder is entirely ‘dark energy’, powerful enough to tear the entire universe asunder. Whilst dark matter appears to mesh galaxies together, dark energy seems to want to push everything apart.

We all know that the universe is expanding, but it’s expanding more and more quickly than it should be, and scientists think that dark energy is the culprit.

But where’s dark energy coming from? Some believe that it’s produced from collisions between quantum particles, but no-one knows for sure.