15 Questions for the topic Space
diffraction limited angular resolution of light
Question about probability. I need help pls! anyone pls! The Question is the the descripation since it is long.
How can astronomers deduce that there is a second star in a star system?
Can we see jupiter's moon from jupiter's surface with human eyes ?
The diameter of the sun is 1.4 x 10^11 cm, and the distance to the nearest star, Proxima Centauri, is 4.3 ly.
Astronauts on the International Space Station feel weightless because
Finding the depth of water in a hemisphere from a change of radius
Why are meteorites so valuble cosmic samples
A geostationary satellite revolves around the earth from west to east once in 24 hours. How does the the satellite appear to a person in earth's surface ?
significance of satellites for our understanding of the universe?
If there is a New Moon at midnight on October 1, when would the next New Moon occur?