Explanation

Number of moons in the planets:

Mercury: 0

Venus: 0

Earth: 1

Mars: 2

Jupiter: 95

Saturn: 146

Uranus: 27

Neptune: 14

Explanation

The moon is a satellite because it moves around Earth.

Earth and the moon are called "natural" satellites.

ND5-07-2023

Explanation

Nuclear energy is a form of energy released from the nucleus, the core of atoms, made up of protons and neutrons.

This source of energy can be produced in two ways:

fission – when nuclei of atoms split into several parts – or fusion – when nuclei fuse together.

Explanation

Jupiter is the biggest planet

It is the largest planet in the Solar System according to size.

Saturn is the second largest planet in our solar system.

Mercury Planet has the smallest diameter

Moon One is not a planet

Venus planet has no moon

Saturn planet has the highest number of moons

Mars is sometimes called the Red Planet.

**

These are the 8 planets

1. Mercury

2. Venus

3. Earth

4. Mars

5. Jupiter

6. Saturn

7. Uranus

8. Neptune

Explanation

Pluto has snow-capped mountains covered in methane frost, and although they look similar to snowy mountain chains on Earth

Discovered: February 18, 1930

Discoverer: Clyde Tombaugh

Moons: Charon, Nix, Styx, Kerberos, Hydra

It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun.

It is the largest known trans-Neptunian object by volume

AGM 30.4.23

ND27-7-2023

Explanation

The universe is 13.7 billion years old with an uncertainty of 200 million years.

The WMAP model assumes that the universe's energy is made up of: 70% dark energy, 26% cold dark matter, and 4% atoms and photons

Explanation

• the planet that moves around the Sun at the largest speed is Mercury
• ***
• Mercury is the fastest planet, which speeds around the sun at 47.87 km/s.
• In miles per hour, this equates to a whopping 107,082 miles per hour.

Explanation

Jupiter, Uranus, and Neptune have rings, too.

But Saturn's rings are the biggest and brightest.

***

Explanation

Venus has a thick atmosphere primarily composed of carbon dioxide, with clouds of sulfuric acid

• Venus is the brightest planet.
• It has an atmosphere but no moons.
• It's identical in size, chemistry and gravity.
• It has volcanoes, mountains and sand.
• It's also called Sister Planet of the Earth.

Explanation

• Comets: huge masses of snow and rocks that revolve around the Sun in orbits.
• Comets: have huge glowing tails.
• Halley's Comet was last seen in: 1986
• Halley's Comet will be next seen in: 2062