Physics & Astronomy
pre-main sequence stars
100%
flares
72%
stars
49%
x rays
32%
occurrences
12%
flare stars
12%
planetary atmospheres
11%
protostars
10%
protoplanetary disks
10%
main sequence stars
9%
stellar mass
8%
radioactive isotopes
8%
escape
7%
energy distribution
7%
astrophysics
7%
luminosity
6%
hydrodynamics
6%
slopes
6%
ionization
5%
energy
4%
estimates
4%
gases
4%
magnetic fields
4%
Earth & Environmental Sciences
energetics
65%
erg
36%
young
18%
energy
13%
planetary atmosphere
12%
flaring
12%
luminosity
11%
gas production
9%
ionization
8%
explosive
8%
radionuclide
8%
magnetic field
7%
plasma
7%
hydrodynamics
6%
rate
5%
modeling
3%
distribution
3%
effect
2%