The __________ act is a measure that mandates county jails divert people with mental health and substance abuse issues toward treatment.
Double-lobed radio galaxies appear to be emitting jets of ga…
Double-lobed radio galaxies appear to be emitting jets of gas and radiation.
The flatness problem states that
The flatness problem states that
Stars motion within the disk of the Milky Way galaxy are ord…
Stars motion within the disk of the Milky Way galaxy are ordered in that they the all go in the same direction, counter-clockwise, as viewed from above (e.g., as viewed from above the north rotational axis of the Sun),
The density wave theory explains spurs and branches along th…
The density wave theory explains spurs and branches along the spiral arms.
If the density of the universe is equal to the critical dens…
If the density of the universe is equal to the critical density, and H equals 50 km/s/Mpc, then the true age of the Universe is 13.3 billion years.
Observations of Type Ia supernova indicate that the universe…
Observations of Type Ia supernova indicate that the universe is static.
___________ 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.
The deuterium and lithium-7 in distant quasars and in the in…
The deuterium and lithium-7 in distant quasars and in the interstellar medium suggests that the Universe is open.
Younger stars have more heavy elements because
Younger stars have more heavy elements because