Which were the warmest periods on Earth?
What periods were the warmest for the Earth?
How was Earth's climate before 1880? What was the highest temperature ever recorded on Earth? What would be the temperature during different season if earth had no tilt? If Earth had no atmosphere, what would be an estimate of the temperature of our planet? Were humans present on earth during the ice age? Earth (planet): Was the whole world frozen during the Ice Age? What is the age of the Earth? Geology: How cold did temperatures get in the Ice Age? What is the temperature of the center of the Earth? What was the Snowball Earth epoch in prehistory? Could it happen again? Was the whole Earth similar to Antarctica? How could life survive? The Solar System: How was Earth formed? What is the highest temperature ever recorded in the universe? Approximately how old is the earth? How do we measure the temperature of planets? Which is the coldest planet in our solar system and why? What was the hottest temperature ever recorded here? What are the most important periods in history? 1 light year is equal to how many years of the Earth? What would happen if the temperature of Earth went up or down by 5 Celsius? How can the temperature in outer space be described? How old is the earth? When did scientists believe the Earth was flat? Why? How would earth's climate be if there were more oceans covering the planet's surface? What was the longest period of peace in recorded human history? Which has been the most crucial time in humans' history? How many human beings have lived on this Earth since the beginning of the time? Who measured the mass of earth? Describe what the seasons would be like if Earth’s axis were inclined 40° rather than 23½°, as is currently the situation.? What was the longest period without war in recorded European history? What is the temperature of the center of the Earth? Why is the temperature of the Earth's center so high?