CLOUDY ATMOSPHEREFIND OUT MOREVenus is only a little smaller than Earth, is made up of rock, and has an atmosphere, but it is otherwise quite unlike our planet. Its surface is covered with…
THE MOONS OF MARSFIND OUT MOREThe fourth planet from the Sun, Mars is one of Earth’s closest neighbours. Mars has a slight atmosphere (mainly carbon dioxide), and ice caps at the poles.…
(Encyclopedia) Erebus, Mount, volcanic peak, 12,280 ft (3,743 m) high, on Ross Island, in the Ross Sea, E Antarctica. One of the loftiest volcanoes of the world, it was discovered in 1841 by the…
(Encyclopedia) rhyolite, fine-grained light-colored acidic volcanic rock. Rhyolite is chemically the equivalent of granite, and is thus composed primarily of quartz and orthoclase feldspar with…
Heard Island and McDonald Islands Fire and ice Where Are They? For a remote, icy spot, skip the crowds on Antarctica—which was visited by an estimated 10,800 people in the 1997–1998 tourist…
Heard Island and McDonald Islands Fire and ice Where Are They? For a remote, icy spot, skip the crowds on Antarctica—which was visited by an estimated 10,800 people in the 1997–1998 tourist…
(Encyclopedia) ColimaColimakōlēˈmä [key], active volcano, 12,533 ft (3,820 m) high, S Jalisco, Mexico, 78 mi (125 km) S of Guadalajara near the Colima state border. Also known as Volcán de Fuego, it…
WHY IS MARS CALLED THE RED PLANET? WHAT IS MARS’S SURFACE LIKE? FIND OUT MOREThis rocky planet has a thin atmosphere and ice caps at its poles. Strong winds can whip up dust storms that cover the…
WHY CAN’T WE SEE VENUS’S SURFACE? HOW HOT IS VENUS? FIND OUT MORESeen from Earth shining brightly in the west at sunset, Venus is called the evening star. It is a rocky planet, and the second-…