Physics & Astronomy
x rays
100%
spectroscopic telescopes
89%
flares
86%
solar flares
76%
optics
59%
sounding rockets
52%
detectors
37%
sun
37%
pixels
35%
particle acceleration
32%
electron acceleration
27%
electrons
27%
sensors
25%
CMOS
24%
helioseismology
24%
strip
23%
solar x-rays
23%
rockets
22%
solar energy
22%
energy
19%
observatories
19%
x ray optics
18%
solar corona
18%
thermal energy
17%
coronas
16%
flight
16%
heating
16%
telescopes
16%
sensitivity
14%
bursts
14%
high temperature plasmas
14%
assembly
13%
spectroscopy
12%
Advanced Launch System (STS)
12%
coronal mass ejection
12%
nonthermal radiation
12%
apexes
11%
payloads
11%
silicon
11%
ghosts
10%
microwaves
9%
insulators
9%
STEREO (observatory)
9%
charged particles
9%
ultraviolet emission
9%
electron distribution
8%
chips
8%
spectrographs
8%
solar probes
8%
rocket flight
8%
Mathematics
X-ray Optics
87%
Imager
77%
Hard X-ray
61%
Detector
30%
Solar Flares
27%
Optics
14%
Experiment
13%
Half line
11%
Strip
10%
Scintillator
9%
Imaging
9%
Spectrometer
9%
Electron
8%
Silicon-on-insulator
8%
Silicon
8%
Mirror
7%
Ray Tracing
7%
Modeling
6%
High Resolution
6%
High Energy
6%
Dynamic Range
6%
Observation
6%
Pixel
6%
Sensor
5%
NASA
5%
Corona
5%
Photon
5%
Timing
5%
Earth & Environmental Sciences
electron
39%
energy
31%
plasma
24%
corona
22%
solar energy
20%
observatory
19%
energetics
18%
spectroscopy
17%
heating
15%
microwave
12%
erg
12%
coronal mass ejection
11%
GOES
10%
particle
10%
detector
9%
radio
8%
periodicity
7%
probe
6%
spacecraft
6%
timescale
6%
temperature
5%
telluride
5%
detection
5%
wavelength
5%
solar cycle
5%
gamma radiation
5%
automatic detection
5%
limb
5%