space-time, in physical science, single concept that recognizes the union of space and time, first proposed by the mathematician Hermann Minkowski in 1908 as a way to reformulate Albert Einstein’s special theory of relativity (1905).
Contents
What are 5 facts about space?
- 10 Crazy Facts You Didn’t Know About Space. …
- SPACE IS COMPLETELY SILENT. …
- THE HOTTEST PLANET IN OUR SOLAR SYSTEM IS 450° C. …
- A FULL NASA SPACE SUIT COSTS $12,000,000. …
- THE SUN’S MASS TAKES UP 99.86% OF THE SOLAR SYSTEM. …
- ONE MILLION EARTHS CAN FIT INSIDE THE SUN. …
- THERE ARE MORE TREES ON EARTH THAN STARS IN THE MILKY WAY.
- It would take nine years to walk to the moon.
- Mars is called the Red Planet because of its red coloring, which comes from the large amount of iron oxide – known on Earth as rust – on the planet’s surface.
- Mercury’s temperature varies from -280° F on its night side to 800° F during the day.
- Asteroids. Asteroids are rocky, airless worlds that orbit our Sun. …
- Comets.
- Meteoroids. Meteoroids are fragments and debris in space resulting from collisions among asteroids, comets, moons and planets. …
- Meteors. …
- Meteor Showers. …
- Meteorites. …
- Dwarf Planets. …
- Kuiper Belt Objects.
What are 20 facts about space?
20 Unusual Space Facts
What are 3 things in space?
Feature | October 8, 2018
What is known about space?
Space is an almost perfect vacuum, nearly void of matter and with extremely low pressure. In space, sound doesn’t carry because there aren’t molecules close enough together to transmit sound between them.
How long is 1 hour in space?
Explanation: The clocks in space tick more slowly than clocks on Earth., HENCE COVERING LESS TIME AS COMPARED TO EARTH IN THE SAME DURATION. One hour on Earth is 0.0026 seconds in space. Thus, upon calculation we find that one hour on Earth is equivalent to seven years in space.