How many fundamental forces are known in science?

Lenticular galaxies are similar in structure to a spiral galaxy. Which feature are they missing?

List the Eras of the Big Bang Theory in chronological order. ____ era ____ era ____ era ____ era ____ era ____ era ____ era ____ era

The masses of stars are determined through the study of?

The letters G U T  from the GUT Era stand for Grand Unified Theory. This theory explains how 3 of the fundamental forces are indistinguishable. Which three forces does it describe?

There is star formation in Elliptical Galaxies.

The method used by Hubble to determine the distance to the Andromeda galaxy was

What is the observed temperature of the Cosmic Microwave Background (CMB)?

Use the following table to answer the question. Star Apparent Magnitude (m) Absolute Magnitude (M) m-M Spectral Type 1 -1.46 1.46 0 F0 2 -0.72 -2.5 1.78 A1 3 0.12 -8.1 8.22 B8 4 0.41 -7.2 7.61 M2 5 -0.27 4.4 -4.67 G2     Put the stars in order from Hottest to Coolest.

The letters G U T  from the GUT Era stand for Grand Unified Theory. This theory explains how 3 of the fundamental forces are indistinguishable. Which three forces does it describe?