18) What is the largest dwarf planet discovered to date?
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9) Which of the following is **not** a basic requirement for…
9) Which of the following is **not** a basic requirement for life?
44) Comets with extremely eccentric orbits, like comets Hyak…
44) Comets with extremely eccentric orbits, like comets Hyakutake and Hale-Bopp,
48) Why are solar neutrinos so difficult to detect?
48) Why are solar neutrinos so difficult to detect?
11) What is the age of the oldest known stromatolites, which…
11) What is the age of the oldest known stromatolites, which indicate microbial life on Earth?
22) After Mars, the next most likely candidates for life in…
22) After Mars, the next most likely candidates for life in the Solar System are
19) The only place outside of Earth where there is irrefutab…
19) The only place outside of Earth where there is irrefutable evidence for (ancient, microbial) life is
43) According to modern science, approximately how old is th…
43) According to modern science, approximately how old is the Sun?
12) What is the Cambrian explosion?
12) What is the Cambrian explosion?
Various strains of this virus cause a disease known as the…
Various strains of this virus cause a disease known as the “common cold”.