Physics, 23.04.2020 18:22 anabellabenzaquen
Astronomers observe galaxies and categorize them according to four different kinds of shapes: elliptical, spiral, barred-spiral, and irregular. In addition to shape, each of the four different galaxy types can be described by other common characteristics. Match the following characteristics with their corresponding galaxy type.
Drag the appropriate items to their respective bins.
A-Round, no disk, very little gas and dust, only old stars.
B-Central bulge, flattened disk, spiral arms, gas, dust, young stars.
C-Elongated central structure, flattened disk, spiral arms, gas and dust, young stars.
D-Asymmetric, often with gas, dust, and young stars.
a. Elliptical galaxy (E):
b. Spiral galaxy (S):
c. Barred-spiral galaxy (SB):
d. Irregular galaxy (Irr):
Answers: 3
Physics, 22.06.2019 14:30, joslynndiggs
Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)
Answers: 1
Physics, 22.06.2019 20:30, sza2016
This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.
Answers: 1
Physics, 23.06.2019 02:30, cameronking019
Which phrase describes the paleo-indians of prehistoric arkansas? a. grew cornb. lived in cliff dwellings c. crafted beautiful potteryd. hunted with stone-tipped spearswhich phrase describes native arkansas from the woodland traditiona. developed widespread agricultureb. hunted mastodon and woolly mammothc. built rectangle-shaped homesd. traded salt with other groups
Answers: 2
Astronomers observe galaxies and categorize them according to four different kinds of shapes: ellipt...
Mathematics, 02.02.2020 23:52
History, 02.02.2020 23:52
Mathematics, 02.02.2020 23:52
English, 02.02.2020 23:52