Who was the first European explorer to sail to India?
explorer Vasco de Gama
Who did Vasco da Gama sail?
Portuguese explorer Vasco da Gama was commissioned by the Portuguese king to find a maritime route to the East. He was the first person to sail directly from Europe to India.
What God is Earth named after?
Earth is the only planet not named after a Roman god or goddess, but it is associated with the goddess Terra Mater (Gaea to the Greeks). In mythology, she was the first goddess on Earth and the mother of Uranus. The name Earth comes from Old English and Germanic.
What are the three layers of the Earth explain with diagram?
The earth is made up of three different layers: the crust, the mantle and the core. This is the outside layer of the earth and is made of solid rock, mostly basalt and granite. There are two types of crust; oceanic and continental. Oceanic crust is denser and thinner and mainly composed of basalt.
Is the sun a supergiant?
The Sun is medium-sized. The red supergiant Antares is 800 times wider than the Sun. If it was at the centre of our Solar System, it would swallow up all of the inner planets, including Earth. Like gas guzzler cars, these supergiants use all of their hydrogen and helium fuel very quickly.
What if the sun was a red dwarf?
The goldilocks zone around a red dwarf is much closer and here on Earth we would likely freeze. We think that many red dwarf star systems may have habitable, Earth-like planets that orbit them but replacing our Sun with a red dwarf would be rather disruptive to our Solar System and home planet.
What if the sun was a blue supergiant?
They can have luminosities anywhere from about 10,000 to a million times that of the Sun. For comparison, the surface of our own Sun is a mere 5,700 K, so if a blue supergiant replaced our Sun, all life would be scorched from the surface of the Earth.
What is the biggest supergiant star?
VY Canis Majoris
Which is the hottest star in the universe?
The Wolf-Rayet star WR 102 is the hottest star known, at 210,000 K.
What is the biggest and hottest star in the universe?
The hottest known star, WR 102, is one such Wolf-Rayet, sporting a surface temperature more than 35 times hotter than the Sun. Like Baskin-Robbins, Wolf-Rayet stars come in a variety of flavors.