When a large galaxy collides with a small galaxy, the smaller galaxy may be pulled apart by tidal forces.
Author: Anonymous
Most of the elements heavier than helium were made during th…
Most of the elements heavier than helium were made during the first few minutes after the big bang.
The chemical abundance of population I stars
The chemical abundance of population I stars
The orbits of halo stars are typically circular and have a l…
The orbits of halo stars are typically circular and have a low inclination with respect to the disk.
___________ galaxies contain large clouds of gas and dust, b…
___________ galaxies contain large clouds of gas and dust, both young and old stars, but have no obvious spiral arms or nucleus.
Getting a cold is like building the chemical elements in nuc…
Getting a cold is like building the chemical elements in nucleosynthesis.
The rapid fluctuations of quasars show that the energy emitt…
The rapid fluctuations of quasars show that the energy emitting portions of these objects must be very small.
The CMB is perfectly uniform.
The CMB is perfectly uniform.
Elliptical galaxies contain more gas, dust, and young stars…
Elliptical galaxies contain more gas, dust, and young stars than do Sa galaxies.
A center or an edge of the Universe would be a special place…
A center or an edge of the Universe would be a special place, contradicting the cosmological principle.