Which planet is the closest planet to the sun, Mercury, Mars, Venus or Jupiter
Which planet is the closest planet to the sun, Mercury, Mars, Venus or Jupiter
Mars is the _____ planet from the Sun.
Mars is the _____ planet from the Sun.
Mercury is the brightest planet in the sky.
Mercury is the brightest planet in the sky.
Pluto, the outermost planet of the solar system, ( ) photographically in March 1930. Pluto, the outermost planet of the solar system, ( ) photographically in March 1930.
Pluto, the outermost planet of the solar system, ( ) photographically in March 1930. Pluto, the outermost planet of the solar system, ( ) photographically in March 1930.
2. What’s the closest planet to the sun?
2. What’s the closest planet to the sun?
中国大学MOOC: Mars is the _____ planet from the Sun.
中国大学MOOC: Mars is the _____ planet from the Sun.
There is no evidence _______ there is life on any other planet in the solar system.
There is no evidence _______ there is life on any other planet in the solar system.
The idea is that we _____ an unmanned spacecraft to explore the planet first.
The idea is that we _____ an unmanned spacecraft to explore the planet first.
The planet Neptune is named after Poseidon, the god of ocean.
The planet Neptune is named after Poseidon, the god of ocean.
in Kenya children planet trees on every Earth Day
in Kenya children planet trees on every Earth Day