Gravitational Lensing Can Be Used to Detect the Presence of Dark

Q56: Why are methods to determine the distances

Q57: Galactic collisions _.<br>A) are very rare, since

Q58: What is galactic cannibalism?

Q59: Dark matter is detectable in the coronae

Q60: Gravitational lensing is caused by _.<br>A) refraction

Q62: Spiral galaxies are mostly found _.<br>A) in

Q63: Which types of galaxies would contain very

Q64: Gravitational _ can be used to detect

Q65: Spiral and irregular galaxies have active star

Q66: Which types of galaxies lack an ordered