Universeeeee!
Scientists and their discoveries!
Solar System!
Environment!
Satellites (even natural or human-made)
100
When did Galileo first used his telescope to discover about the Universe?

Since 1609.

100

Who discover X-Ray?

Röntgen (Wilhelm Röntgen) 


100

How many moons does Neptune has?

14

100

How wasted harm the environment?

Based on your opinion!

100

The first satellite sent to mars?

Mariner 9 (Mariner 9 was launched successfully on May 30, 1971)

200

How old is our Universe?


13.8 billion years

200

Who discover Relativity?

Albert Einstein


200

How inner planet are different from outer planet?

........

200

How rainbow is formed?

Light enters a water droplet, slowing down and bending as it goes from air to denser water. The light reflects off the inside of the droplet, separating into its component wavelengths--or colors

200

How many natural/human-made satellites are there in the space?

Right now, there are nearly 6,000 satellites

300

What is an Oort Clouds?

Based on your opinion!

300

Who is Neils Bohr & Rutherford?


They find out what is Atomic Structure.:))

300

Who is the first astronaut that landed to the moon?

Neil Armstrong.

300

When we put ice outside in hot weather, it melted, what is that process call?

Melting!

300

The path that a satellite follows is known as an orbit. While in orbit, the farthest point from the Earth is known as the ___ while the nearest point is known as the ___.


A. perigee, apogee

B. apogee, perigee

C. adigree, pedigree

D.pedigree, adigree

B

400

What is the meteor that hit the Earth's surface called?

Meteorite.

400

Who discover Gravity?

Isaac Newton


400

Largest moon in the Solar System!

Ganymede :)) (Jupiter's moon)

400

How big is the total "forest"?

4.06 billion hectares 

400

How satellites communication works?

By using radio waves to send signals to the antennas on the Earth

500

Define light year.

A distance light travel in a year.

500

Who is Enrico Fermi?


Enrico Fermi is a Italian physicist, who first find out Nuclear Reactor.

500

What is the first mission that landed to the moon (which Armstrong in) name?

Apollo 11

500

Who discover the photosynthesis?

A scientist name Jan Ingenhousz

500

How stay in orbit?

A satellite maintains its orbit by balancing two factors: its velocity (the speed it takes to travel in a straight line) and the gravitational pull that Earth has on it.