Leah Angelini

What is a maser? Who developed it?

What causes magnetic reconnection?

What defines the event horizon of a black hole?

What is the primary source of the Sun's energy?

Mars has an average surface temperature of about 200K. Pluto has an average surface temperature of about 40K. Which planet emits more energy per square meter of surface area per second? By a factor of how much?

What causes celestial bodies to have gravity?

How far away from the earth is Halley's comet?

Can we predict when Solar System objects will occult a star?

What color is the sun's photosphere?

How do black holes break the laws of physics?

If x-rays are normally absorbed by the earth's atmosphere, how do astronomers overcome this issue when studying celestial temperatures?

How big are irregular galaxies?

What propelled the Big Bang into motion?

What type of radiation is the electromagnetic spectrum?

Why are elements with atomic number 26 not formed by nuclear fusion in the cores of very massive stars?

How can solar wind affect life on earth?

How and why does the sun's magnetic field flip?

What part of the sun is visible during an eclipse?

Why would a telescope on the moon be beneficial to astrophysics study?

In which constellation was the first black hole detected?