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Quiz

Questions

• Which planet has been "demoted" from ordinary to dwarf?
• What does the term "exoplanet" mean?
• Did you know there is a Lunar embassy? What does this organization do?
• Scientists claim that there may be over 100 billion exoplanets in the galaxy. How many of them are believed to be Earth-like?
• When did the longest private eclipse of Earth's only natural satellite occur (up to 98% of the Moon's surface at maximum phase) in the last 5 centuries of observation?
• Most of the planets in the solar system have natural satellites, many with more than one. And only two planets of them have none at all. These are ...
• According to one theory, a planet can leave a star and leave its orbit for free. What are such planets called?
• What is the name given to objects that, although they have the mass of planets, do not meet the usual notion of planets?
• The orbit of the planets is a complex phenomenon. It includes a number of elements. Which of these is not included?
• We call Mars the "red planet." Which mineral gives it that color?
• Which planet in the solar system has a day only 39 minutes longer than Earth?
• This planet's atmosphere is 95% carbon dioxide. What planet is this?
• Which country's vehicles performed work on Mars in 2021?
• India's Chandrayaan-1 space probe discovered 600 million tons of water at the North Pole of this planet's satellite. What planet is it?
• The gas giants are the largest planets in the solar system. They are ...
• It is known that all planets in the solar system are divided into groups according to their composition and size. Which group of planets does not exist?
• Between the orbits of Jupiter and Neptune are a group of asteroids with unstable elongated orbits. What are they called?
• Two Voyager probes were launched in 1977 by the U.S. to study distant planets. One of them was found to have a cone-shaped magnetic field, and that it was emitting more energy than it was receiving from the Sun. What kind of planet is this?
• Two famous satellites revolve around Mars: Deimos and Phobos. They are named after the warrior brothers from Greek mythology.How do these names translate to English?
• The earth is not shaped like a ball. Therefore, it does not have a single diameter. What is its average diameter?